chore: setup git to allow 'file' transport in github test workflow

Author: g-arjones

Diff for: .github/workflows/test.yml

@@ -21,6 +21,8 @@ jobs:
         ruby-version: ${{ matrix.ruby-version }}
     - name: Install dependencies
       run: bundle install
+    - name: Setup git
+      run: git config --global protocol.file.allow always
     - name: Run tests
       run: bundle exec rake test
       env: