In the github workflow checkout the complete history such that rcN can be determined for release/X.Y.Z branches.

Author: BartHertog

.github/workflows/distribute_pypi.yml

@@ -9,6 +9,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0    # Fetch full git history such that rcN can be determined.
+
     - name: Set up Python
       uses: actions/setup-python@v5
       with: