Updated

Author: manastalukdar

.github/workflows/main.yml

@@ -28,6 +28,8 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
       - uses: actions/setup-python@v2
         with:
           python-version: '3.9'
@@ -45,6 +47,8 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
       - uses: actions/setup-dotnet@v1
         with:
           dotnet-version: '5.0.100'