Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/codeql-analysis.yml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/continuous-integration.yml

@@ -14,7 +14,7 @@ jobs:
               uses: zcong1993/setup-timezone@master
               with:
                   timezone: Europe/Berlin
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v5
             - name: Use Node.js v${{ matrix.node-version }}
               uses: actions/setup-node@v4
               with: