Bump super-linter/super-linter from 5 to 6

Bumps [super-linter/super-linter](https://github.com/super-linter/super-linter) from 5 to 6.
- [Release notes](https://github.com/super-linter/super-linter/releases)
- [Changelog](https://github.com/super-linter/super-linter/blob/main/CHANGELOG.md)
- [Commits](super-linter/super-linter@v5...v6)

---
updated-dependencies:
- dependency-name: super-linter/super-linter
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/linter.yaml

@@ -23,7 +23,7 @@ jobs:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0
       - name: Lint code base
-        uses: super-linter/super-linter/slim@v5
+        uses: super-linter/super-linter/slim@v6
         env:
           VALIDATE_ALL_CODEBASE: false
           DEFAULT_BRANCH: main