Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v5
+      uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL