build(deps): bump github/super-linter from 4.2.0 to 4.2.1

Bumps [github/super-linter](https://github.com/github/super-linter) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/github/super-linter/releases)
- [Commits](https://github.com/github/super-linter/compare/v4.2.0...v4.2.1)

---
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/linter.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.3.4
-      - uses: github/super-linter@v4.2.0
+      - uses: github/super-linter@v4.2.1
         env:
           ERROR_ON_MISSING_EXEC_BIT: true
           VALIDATE_BASH: true