Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/build-test.yml

@@ -11,7 +11,7 @@ jobs:
   build-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.2
+      - uses: actions/checkout@v6.0.0
       - name: Build the Docker image
         run: docker build --target builder --file Dockerfile --tag majodev/go-docker-vscode:${GITHUB_SHA:8} .
       - name: Create container

.github/workflows/codeql-analysis.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4.2.2
+      uses: actions/checkout@v6.0.0
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.

.github/workflows/trivy-analysis.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v6.0.0
 
       - name: Build an image from Dockerfile
         run: |