chore: upgrade Go toolchain to 1.25 and bump helm to v3.20.2 (#679)

* chore: upgrade Go toolchain to 1.25 and bump helm to v3.20.2

Upgrades Go from 1.24 to 1.25 in go.mod and CI workflow to fix
golangci-lint compatibility. Includes helm.sh/helm/v3 bump to v3.20.2.

Supersedes #678.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(ci): upgrade golangci-lint-action to v7 for Go 1.25 support

Action v4 installs golangci-lint v1.x which was built with Go 1.24
and refuses to lint Go 1.25 code. Action v7 uses golangci-lint v2.x
built with Go 1.25+.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: resolve golangci-lint v2 warnings

Handle Body.Close error returns and remove redundant embedded field
selector to satisfy stricter golangci-lint v2 defaults.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

go.mod

@@ -1,8 +1,6 @@
 module github.com/komodorio/helm-dashboard/v2
 
-go 1.24.0
-
-toolchain go1.24.2
+go 1.25.0
 
 require (
 	github.com/Masterminds/semver/v3 v3.4.0
@@ -16,23 +14,23 @@ require (
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.3
-	github.com/stretchr/testify v1.10.0
-	golang.org/x/mod v0.30.0
+	github.com/stretchr/testify v1.11.1
+	golang.org/x/mod v0.31.0
 	gopkg.in/yaml.v3 v3.0.1
 	gotest.tools/v3 v3.5.2
-	helm.sh/helm/v3 v3.18.5
-	k8s.io/api v0.33.3
-	k8s.io/apimachinery v0.33.3
-	k8s.io/cli-runtime v0.33.3
-	k8s.io/client-go v0.33.3
-	k8s.io/kubectl v0.33.3
-	k8s.io/utils v0.0.0-20250604170112-4c0f3b243397
+	helm.sh/helm/v3 v3.20.2
+	k8s.io/api v0.35.1
+	k8s.io/apimachinery v0.35.1
+	k8s.io/cli-runtime v0.35.1
+	k8s.io/client-go v0.35.1
+	k8s.io/kubectl v0.35.1
+	k8s.io/utils v0.0.0-20251002143259-bc988d571ff4
 )
 
 require (
 	dario.cat/mergo v1.0.1 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect
-	github.com/BurntSushi/toml v1.5.0 // indirect
+	github.com/BurntSushi/toml v1.6.0 // indirect
 	github.com/MakeNowJust/heredoc v1.0.0 // indirect
 	github.com/Masterminds/goutils v1.1.1 // indirect
 	github.com/Masterminds/sprig/v3 v3.3.0 // indirect
@@ -48,19 +46,19 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/chai2010/gettext-go v1.0.2 // indirect
 	github.com/cloudwego/base64x v0.1.5 // indirect
-	github.com/containerd/containerd v1.7.29 // indirect
+	github.com/containerd/containerd v1.7.30 // indirect
 	github.com/containerd/errdefs v0.3.0 // indirect
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/containerd/platforms v0.2.1 // indirect
-	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
+	github.com/cyphar/filepath-securejoin v0.6.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-	github.com/emicklei/go-restful/v3 v3.11.2 // indirect
+	github.com/emicklei/go-restful/v3 v3.12.2 // indirect
 	github.com/evanphx/json-patch v5.9.11+incompatible // indirect
 	github.com/exponent-io/jsonpath v0.0.0-20210407135951-1de76d718b3f // indirect
 	github.com/fatih/camelcase v1.0.0 // indirect
 	github.com/fatih/color v1.16.0 // indirect
-	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
 	github.com/gin-contrib/sse v1.1.0 // indirect
 	github.com/go-errors/errors v1.5.1 // indirect
@@ -75,14 +73,11 @@ require (
 	github.com/go-redis/redis/v8 v8.11.5 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/btree v1.1.3 // indirect
-	github.com/google/gnostic-models v0.6.9 // indirect
+	github.com/google/gnostic-models v0.7.0 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
-	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect
 	github.com/gosuri/uitable v0.0.4 // indirect
 	github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
@@ -106,67 +101,65 @@ require (
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
-	github.com/moby/spdystream v0.5.0 // indirect
 	github.com/moby/term v0.5.2 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.1 // indirect
 	github.com/pegasus-kv/thrift v0.13.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/prometheus/client_golang v1.22.0 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.66.1 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
-	github.com/rubenv/sql-migrate v1.8.0 // indirect
+	github.com/rubenv/sql-migrate v1.8.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.2 // indirect
 	github.com/shopspring/decimal v1.4.0 // indirect
 	github.com/spf13/cast v1.7.0 // indirect
-	github.com/spf13/cobra v1.9.1 // indirect
-	github.com/spf13/pflag v1.0.7 // indirect
+	github.com/spf13/cobra v1.10.2 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.0 // indirect
 	github.com/vmihailenco/msgpack v4.0.4+incompatible // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xlab/treeprint v1.2.0 // indirect
-	go.yaml.in/yaml/v2 v2.4.2 // indirect
-	go.yaml.in/yaml/v3 v3.0.3 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/arch v0.18.0 // indirect
 	golang.org/x/crypto v0.46.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
 	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/oauth2 v0.34.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/term v0.38.0 // indirect
-	golang.org/x/text v0.32.0 // indirect
+	golang.org/x/sys v0.40.0 // indirect
+	golang.org/x/term v0.39.0 // indirect
+	golang.org/x/text v0.33.0 // indirect
 	golang.org/x/time v0.12.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect
 	google.golang.org/grpc v1.79.3 // indirect
 	google.golang.org/protobuf v1.36.10 // indirect
-	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/tomb.v2 v2.0.0-20161208151619-d5d1b5820637 // indirect
-	k8s.io/apiextensions-apiserver v0.33.3 // indirect
-	k8s.io/apiserver v0.33.3 // indirect
-	k8s.io/component-base v0.33.3 // indirect
-	k8s.io/component-helpers v0.33.3 // indirect
+	k8s.io/apiextensions-apiserver v0.35.1 // indirect
+	k8s.io/apiserver v0.35.1 // indirect
+	k8s.io/component-base v0.35.1 // indirect
+	k8s.io/component-helpers v0.35.1 // indirect
 	k8s.io/klog/v2 v2.130.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20250318190949-c8a335a9a2ff // indirect
+	k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 // indirect
 	oras.land/oras-go/v2 v2.6.0 // indirect
-	sigs.k8s.io/json v0.0.0-20241010143419-9aa6b5e7a4b3 // indirect
-	sigs.k8s.io/kustomize/api v0.19.0 // indirect
-	sigs.k8s.io/kustomize/kyaml v0.19.0 // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
+	sigs.k8s.io/kustomize/api v0.20.1 // indirect
+	sigs.k8s.io/kustomize/kyaml v0.20.1 // indirect
 	sigs.k8s.io/randfill v1.0.0 // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.6.0 // indirect
-	sigs.k8s.io/yaml v1.5.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v6 v6.3.0 // indirect
+	sigs.k8s.io/yaml v1.6.0 // indirect
 )