Move to new checkout action version

Author: mbaldessari

.github/workflows/linter.yml

@@ -29,10 +29,11 @@ jobs:
       # Checkout the code base #
       ##########################
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0
+
       - name: Setup helm
         uses: azure/setup-helm@v3
         # with:

.github/workflows/superlinter.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0