build(deps): bump github/super-linter from 4.8.3 to 4.8.4

Bumps [github/super-linter](https://github.com/github/super-linter) from 4.8.3 to 4.8.4.
- [Release notes](https://github.com/github/super-linter/releases)
- [Changelog](https://github.com/github/super-linter/blob/main/docs/release-process.md)
- [Commits](https://github.com/github/super-linter/compare/v4.8.3...v4.8.4)

---
updated-dependencies:
- dependency-name: github/super-linter
  dependency-type: direct:production
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/super-linter.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.4.0
-      - uses: github/super-linter@v4.8.3
+      - uses: github/super-linter@v4.8.4
         env:
           ERROR_ON_MISSING_EXEC_BIT: true
           VALIDATE_BASH: true