deps: Update golangci/golangci-lint-action action to v6 (#557)

Author: renovate-bot

.github/workflows/lint.yaml

@@ -61,7 +61,7 @@ jobs:
         run: |
           go mod tidy && git diff --exit-code
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@d6238b002a20823d52840fda27e2d4891c5952dc # v4.0.1
+        uses: golangci/golangci-lint-action@a4f60bb28d35aeee14e6880718e0c85ff1882e64 # v6.0.1
         with:
           version: latest
           args: --timeout 3m