Bump github/super-linter from 5 to 6

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

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

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

.github/workflows/linter.yml

@@ -59,7 +59,7 @@ jobs:
       # Run Linter against code base #
       ################################
       - name: Lint Code Base
-        uses: github/super-linter/slim@v5
+        uses: github/super-linter/slim@v6
         # https://github.com/marketplace/actions/super-linter#environment-variables
         env:
           # Change to 'true' to scan all files, 'false' for new or edited files