ci: accecelerate pipeline (#2078)

* enable concurrency

pr

* do not run build on draft PRs

pr

* enable fail-fast for build workflows

.github/workflows/mobile.yml

@@ -5,7 +5,12 @@ on:
     branches: ["develop", "main", "releases/**"]
   pull_request:
     branches: ["develop", "main"]
-      
+    types: [opened, synchronize, reopened, ready_for_review]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 env:
   CARGO_TERM_COLOR: always
 
@@ -20,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     # Map a step output to a job output
     outputs:
-      should_skip: ${{ steps.skip_check.outputs.should_skip == 'true' && !startsWith(github.ref_name, 'releases/') }}
+      should_skip: ${{ (github.event_name == 'pull_request' && github.event.pull_request.draft) || (steps.skip_check.outputs.should_skip == 'true' && !startsWith(github.ref_name, 'releases/')) }}
     steps:
       - id: skip_check
         uses: fkirc/skip-duplicate-actions@v5
@@ -32,7 +37,7 @@ jobs:
           paths: '["Cargo.toml", "Cargo.lock", "easytier/**", "easytier-gui/**", "tauri-plugin-vpnservice/**", ".github/workflows/mobile.yml", ".github/workflows/install_rust.sh"]'
   build-mobile:
     strategy:
-      fail-fast: false
+      fail-fast: true
       matrix:
         include:
           - TARGET: android