Bump actions/upload-artifact from 6 to 7 (#244)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/python-publish.yml

@@ -25,7 +25,7 @@ jobs:
         run: uv build
 
       - name: Upload distributions
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: release-dists
           path: dist/