Merge pull request #5553 from mruby/dependabot/github_actions/github/super-linter-4.8.0

build(deps): bump github/super-linter from 4.7.3 to 4.8.0

.github/workflows/super-linter.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.3.4
-      - uses: github/super-linter@v4.7.3
+      - uses: github/super-linter@v4.8.0
         env:
           ERROR_ON_MISSING_EXEC_BIT: true
           VALIDATE_BASH: true