Fix linter errors

.github/workflows/lint.yml

@@ -12,16 +12,16 @@ permissions:
 jobs:
   golangci:
     permissions:
-      contents: read  # for actions/checkout to fetch code
-      pull-requests: read  # for golangci/golangci-lint-action to fetch pull requests
+      contents: read # for actions/checkout to fetch code
+      pull-requests: read # for golangci/golangci-lint-action to fetch pull requests
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@v5
         with:
-          go-version: '>=1.18'
-      - uses: actions/checkout@v3
+          go-version: ">=1.18"
+      - uses: actions/checkout@v4
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v5
         with:
           args: --timeout=5m

.golangci.yml

@@ -26,23 +26,24 @@ linters-settings:
     min-complexity: 15
   goimports:
     local-prefixes: github.com/golangci/golangci-lint
-  gomnd:
+  mnd:
     # don't include the "operation" and "assign"
     checks:
       - argument
       - case
       - condition
       - return
     ignored-numbers:
-      - '0'
-      - '1'
-      - '2'
-      - '3'
+      - "0"
+      - "1"
+      - "2"
+      - "3"
     ignored-functions:
       - strings.SplitN
 
   govet:
-    check-shadowing: true
+    enable:
+      - shadow
   lll:
     line-length: 140
   misspell: