chore(deps): bump golangci/golangci-lint-action from 3 to 6

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 3 to 6.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v3...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]>

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
       # We could run 'make lint' but we prefer this action because it leaves
       # 'annotations' (i.e. it comments on PRs to point out linter violations).
       - name: Lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
           version: ${{ env.GOLANGCI_VERSION }}
   check-diff: