build(deps): bump golangci/golangci-lint-action from 5 to 6

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] <support@github.com>

.github/workflows/validate.yml

@@ -38,7 +38,7 @@ jobs:
         run: |
           sudo apt -q update
           sudo apt -qy install libseccomp-dev
-      - uses: golangci/golangci-lint-action@v5
+      - uses: golangci/golangci-lint-action@v6
         with:
           version: v1.57
       # Extra linters, only checking new code from a pull request.