Update GH Action, submodule part

.github/workflows/actions.yaml

@@ -33,6 +33,7 @@ jobs:
           git clone https://github.com/icenet-ai/icenet.git
           cd icenet
           git submodule sync --recursive
+          git -c protocol.version=2 submodule update --init --force --depth=1 --recursive
           pip install .
           cd docs
           pip install -r requirements.txt