chore(deps): bump golangci/golangci-lint-action from 4 to 6 (#1882)

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 4 to 6.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v4...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>

.github/workflows/CI.yml

@@ -54,7 +54,7 @@ jobs:
           make addlicense && git add pkg cmd &&
           git diff --cached --exit-code || (echo 'Please run "make addlicense" to verify govet' && exit 1);
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         with:
           args: --timeout=5m
           version: latest

.github/workflows/nightly.yml

@@ -34,7 +34,7 @@ jobs:
           make addlicense && git add pkg cmd &&
           git diff --cached --exit-code || (echo 'Please run "make addlicense" to verify govet' && exit 1);
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v4
+        uses: golangci/golangci-lint-action@v6
         with:
           args: --timeout=5m
           version: latest