different git submodule fetc

Author: hjwp

.github/workflows/tests.yml

@@ -42,7 +42,7 @@ jobs:
             --mount type=volume,source=rootmount,target=/root \
             --mount type=bind,source=./,target=/app \
             -t hjwp/obeythetestinggoat-book-tester:latest \
-            bash -c "git submodule foreach 'git fetch --all'"
+            git submodule foreach 'git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*" && git fetch origin'
 
       - name: check submodule branches
         run: |