Update chmod command to make all hook files executable

Author: munnep

.github/workflows/docker_build_image.yaml

@@ -33,7 +33,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Make sure the hook files are executable
-        run: chmod +x hooks/   
+        run: chmod +x hooks/*   
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3