Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/super-linter-non-slim.yml

@@ -37,12 +37,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
       - name: Checkout code-quality Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: riege/code-quality
           path: ${{ inputs.CODEQUALITY_PATH }}

.github/workflows/super-linter.yml

@@ -46,12 +46,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
       - name: Checkout code-quality Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: riege/code-quality
           path: ${{ inputs.CODEQUALITY_PATH }}

.github/workflows/terraform.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup terraform
         uses: hashicorp/setup-terraform@v3