.github: Bump golangci/golangci-lint-action from 5 to 6 (#14)

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 5 to 6.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v5...v6)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Diff for: .github/workflows/lint.yml

@@ -28,7 +28,7 @@ jobs:
           go-version-file: 'go.mod'
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v5
+        uses: golangci/golangci-lint-action@v6
         with:
           version: v1.52.2
           working-directory: ${{ matrix.workdir }}