Update build-and-test.yml

Author: aaron-siegel

.github/workflows/build-and-test.yml

@@ -103,5 +103,6 @@ jobs:
         uses: actions/download-artifact@v4
         with:
           path: dist/
+          merge-multiple: true
       - name: Publish distribution 📦 to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1