chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/ClientCatcherBuild.yml

@@ -8,7 +8,7 @@ jobs:
 
     steps:
     - name: Checkout Repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up JDK 17
       uses: actions/[email protected]