fix(kms-connector): add submodule checkout independent

Author: fegmorte

.github/workflows/kms-connector-common-testing.yml

@@ -88,11 +88,10 @@ jobs:
     steps:
       - name: Checkout Project
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          submodules: true
+          token: ${{ secrets.BLOCKCHAIN_ACTIONS_TOKEN }}
 
-      - name: Checkout submodules
-        env:
-          GITHUB_TOKEN: ${{ secrets.BLOCKCHAIN_ACTIONS_TOKEN }}
-        run: git submodule update --init --recursive
 
       # LFS files are needed for backward compatibility tests
       # Install git LFS before checkout does not seem possible on our self-hosted runners, so we