updated markdown.yaml

.github/workflows/markdown.yaml

@@ -65,7 +65,7 @@ jobs:
       - uses: actions/checkout@v3
         #name: Git Checkout  # better to show the action@version
         with:
-          submodules: 'true'  # requires Git 2.18+ to be installed first
+          submodules: 'false'  # requires Git 2.18+ to be installed first
 
       # create .mdlrc at the root of your repo to ignore some things like long lines,
       # see https://github.com/HariSekhon/DevOps-Bash-tools/blob/master/configs/.mdlrc