fix(web): require password confirmation in auth forms

Require users to enter new passwords twice in the registration
and password change forms so typos are caught before credentials
are stored.

easytier-web/frontend-lib/src/locales/cn.yaml

@@ -366,6 +366,7 @@ web:
     password_empty: 密码不能为空
     password_min_length: 密码至少需要 8 位
     password_too_weak: 密码强度不足
+    password_mismatch: 两次输入的密码不一致
     password_strength_hint: 密码至少 8 位，且需包含大小写字母、数字、特殊字符中的至少 2 类
     enable: 开启
     disable: 关闭

easytier-web/frontend-lib/src/locales/en.yaml

@@ -366,6 +366,7 @@ web:
     password_empty: Password cannot be empty
     password_min_length: Password must be at least 8 characters long
     password_too_weak: Password is too weak
+    password_mismatch: Passwords do not match
     password_strength_hint: Password must be at least 8 characters and include at least 2 of uppercase letters, lowercase letters, numbers, or special characters
     enable: Enable
     disable: Disable