Merge pull request #26 from OpenG2P/develop

Update publish.yml

.github/workflows/publish.yml

@@ -12,6 +12,7 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: "3.10"
+    - uses: actions/checkout@v3
     - name: Install build dependencies
       run: pip install build
     - name: Build distribution Common