Fix pypi job: fetch full history for setuptools-scm

Author: adamtheturtle

.github/workflows/release.yml

@@ -111,6 +111,9 @@ jobs:
       - uses: actions/checkout@v6
         with:
           ref: ${{ needs.release.outputs.tag }}
+          # Fetch all history including tags.
+          # Needed for setuptools-scm version detection.
+          fetch-depth: 0
           persist-credentials: false
 
       - name: Install uv