Update blank.yml

Author: TimSVector

.github/workflows/blank.yml

@@ -23,7 +23,10 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: true
 
       # Runs a single command using the runners shell
       - name: Run a one-line script