ci: bump golangci/golangci-lint-action from 3 to 4

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 3 to 4.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v3...v4)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
             caddy/go.sum
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v4
         with:
           version: latest
           args: --timeout=30m