migrate golangci config to version 2.

update golang-cl workflow

.github/workflows/golang-ci.yml

@@ -2,11 +2,11 @@ name: CI
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ['main']
     paths:
       - '**.go'
   pull_request:
-    branches: [ "main" ]
+    branches: ['main']
     paths:
       - '**.go'
 jobs:
@@ -23,7 +23,8 @@ jobs:
         uses: actions/setup-go@v5
         with:
           go-version: '1.24'
-      - name: Install golangci-lint
-        run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
-      - name: Run golangci-lint
-        run: golangci-lint run ./...
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v9
+        with:
+          version: v2.6.0
+          args: --config .golangci.yml

.golangci.yml

@@ -1,54 +1,110 @@
+version: '2'
+
 run:
-  # timeout for analysis, e.g. 30s, 3m, default is 1m
   timeout: 3m
-  # exclude test files
   tests: true
+  go: '1.24'
 
 linters:
-  # Set to true runs only fast linters.
-  # Good option for 'lint on save', pre-commit hook or CI.
-  fast: true
-
-  disable-all: true
-
   enable:
-    - gosimple
-    - govet
-    - ineffassign
-    - staticcheck
-    - unused
-    - gofmt
-    - gofumpt
-    - misspell
-    - unparam
-    - gosec
-    - asciicheck
-    - errname
-    - gci
-    - godot
-    - goimports
-    - revive
+    # Default enabled linters
+    - errcheck # Check for unchecked errors
+    - govet # Go's built-in vetting tool
+    - ineffassign # Detect ineffectual assignments
+    - staticcheck # Advanced static analysis
+    - unused # Check for unused code
+    # Additional useful linters
+    - misspell # Detect common misspellings
+    - unparam # Check for unused function parameters
+    - gosec # Security checks
+    - asciicheck # Check for non-ASCII characters
+    - errname # Check error variable names
+    - godot # Check for missing periods in comments
+    - revive # Highly configurable linter for style and correctness
+    - gocritic # Detect code issues and suggest improvements
+    - gocyclo # Check for cyclomatic complexity
+    - dupl # Check for code duplication
+    - predeclared # Check for shadowing of predeclared identifiers
+    - copyloopvar # Check for loop variable capture in goroutines
+    - errorlint # Check for common mistakes in error handling
+    - goconst # Check for repeated strings that could be constants
+    - gosmopolitan # Check for non-portable code
 
-linters-settings:
-  gofmt:
-    rewrite-rules:
-      - pattern: 'interface{}'
-        replacement: 'any'
-      - pattern: 'a[b:len(a)]'
-        replacement: 'a[b:]'
+  settings:
+    misspell:
+      locale: UK
 
-  misspell:
-    locale: UK
+    errcheck:
+      check-type-assertions: true
+      check-blank: true
 
-  errcheck:
-    check-type-assertions: true
+    revive:
+      rules:
+        # Code quality and style
+        - name: exported
+          arguments:
+            - 'checkPrivateReceivers'
+            - 'sayRepetitiveInsteadOfStutters'
+        - name: var-naming
+        - name: package-comments
+        - name: range-val-in-closure
+        - name: time-naming
+        - name: context-as-argument
+        - name: context-keys-type
+        - name: dot-imports
+        - name: empty-block
+        - name: error-return
+        - name: error-strings
+        - name: error-naming
+        - name: if-return
+        - name: increment-decrement
+        - name: indent-error-flow
+        - name: receiver-naming
+        - name: redefines-builtin-id
+        - name: superfluous-else
+        - name: unexported-return
+        - name: unreachable-code
+        - name: unused-parameter
+        - name: var-declaration
+        - name: blank-imports
+
+        # Disabled rules (can be enabled if needed)
+        # - name: line-length-limit
+        #   arguments: [120]
+        # - name: function-length
+        #   arguments: [50, 0]
+        # - name: cyclomatic
+        #   arguments: [10]
+
+    gosec:
+      excludes:
+        - G104 # Duplicated errcheck checks
+        - G115 # integer overflow conversion int -> uint32
+
+# Formatters configuration
+formatters:
+  # Enable specific formatters
+  enable:
+    - gofumpt # Stricter gofmt alternative
+    - goimports # Organizes imports
+    - gci # Controls import order/grouping
+    - golines # Enforces line length
+
+  # Formatter-specific settings
+  settings:
+    goimports:
+      local-prefixes: [github.com/onyx-and-iris/vbantxt]
+
+    gci:
+      # Define import sections order
+      sections:
+        - standard # Standard library
+        - default # Everything else
+        - prefix(github.com/onyx-and-iris/vbantxt) # Current module
+
+    gofumpt:
+      extra-rules: true # Enable additional formatting rules
 
 issues:
   max-same-issues: 0
   max-issues-per-linter: 0
-  exclude-use-default: false
-  exclude:
-    # gosec: Duplicated errcheck checks
-    - G104
-    # gosec: integer overflow conversion int -> uint32
-    - G115