chore(deps): bump golangci/golangci-lint-action from 6 to 9

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 6 to 9.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v6...v9)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-version: '9'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/reference-converter.yml

@@ -51,7 +51,7 @@ jobs:
           cache: false
       - name: use the same version of GOLANGCI_LINT_VERSION as devtools
         run: make devtools-versions >> "$GITHUB_ENV"
-      - uses: golangci/golangci-lint-action@v6
+      - uses: golangci/golangci-lint-action@v9
         with:
           working-directory: ${{ env.working-directory }}
           version: v${{ env.GOLANGCI_LINT_VERSION }}