Update GitHub Actions

Author: martialblog

.github/dependabot.yml

@@ -6,3 +6,8 @@ updates:
     interval: weekly
     time: '10:00'
   open-pull-requests-limit: 10
+
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: monthly

.github/workflows/go.yml

@@ -17,9 +17,9 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.18
+          go-version: 1.21
 
       - name: Test
         run: go test -v ./...
@@ -29,7 +29,7 @@ jobs:
 
       - name: Run goreleaser in release mode
         if: success() && startsWith(github.ref, 'refs/tags/v')
-        uses: goreleaser/goreleaser-action@v3
+        uses: goreleaser/goreleaser-action@v4
         with:
           version: latest
           args: release --rm-dist

.github/workflows/golangci-lint.yml

@@ -11,13 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v4
         with:
-          go-version: 1.18
+          go-version: 1.21
 
       - uses: actions/checkout@v3
-
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
-        with:
-          version: v1.51