Checkout with full history to determine version correctly

Author: mstimberg

.github/workflows/publish.yaml

@@ -15,6 +15,8 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # We need all history to determine the version
       - uses: pdm-project/setup-pdm@v4
       - name: Publish package distributions to PyPI
         run: pdm publish