Bump super-linter/super-linter from 6 to 7 (#264)

Bumps [super-linter/super-linter](https://github.com/super-linter/super-linter) from 6 to 7.
- [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@v6...v7)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Baptiste Grenier <baptiste.grenier@egi.eu>

.github/workflows/superlinter.yml

@@ -24,7 +24,7 @@ jobs:
 
       # Runs the Super-Linter action
       - name: Run Super-Linter
-        uses: super-linter/super-linter/slim@v6
+        uses: super-linter/super-linter/slim@v7
         env:
           DEFAULT_BRANCH: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}