Merge pull request #546 from rust-embedded/berkus/fix-and-upgrade

Fix linter issues, upgrade GH actions

Author: BartMassey

.github/workflows/Linting.yml

@@ -21,11 +21,11 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
       - name: Super-linter
-        uses: super-linter/super-linter@v8.3.1 # x-release-please-version
+        uses: super-linter/super-linter@v9.0.0 # x-release-please-version
         env:
           # Linters
           VALIDATE_MARKDOWN: true