Attempt with fetch

.github/workflows/budibase_ci.yml

@@ -97,6 +97,7 @@ jobs:
       - name: Check submodule
         run: |
           cd packages/pro
+          git fetch
           if ! git merge-base --is-ancestor $(git log -n 1 --pretty=format:%H) chore/pro_as_submodule; then
             echo "Current commit has not been merged to develop"
             exit 1