Bump actions/download-artifact from 4.1.9 to 4.2.1 (#602)

Author: teutoburg

.github/workflows/publish_pypi.yml

@@ -67,7 +67,7 @@ jobs:
         run: echo "## Publishing $(poetry version) to PyPI" >> $GITHUB_STEP_SUMMARY
 
       - name: Retrieve distribution files
-        uses: actions/download-artifact@v4.1.9
+        uses: actions/download-artifact@v4.2.1
         with:
           name: distribution
           path: dist/