Update checkout action

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

.github/workflows/codeql.yml

@@ -40,7 +40,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         persist-credentials: false
 
@@ -49,6 +49,7 @@ jobs:
       uses: github/codeql-action/init@v4
       with:
         languages: ${{ matrix.language }}
+        build-mode: ${{ matrix.language == 'cpp' && 'manual' || 'none' }}
         # If you wish to specify custom queries, you can do so here or in a config file.
         # By default, queries listed here will override any specified in a config file.
         # Prefix the list here with "+" to use these queries and those in the config file.