Revert "Try again uv for uploading to TestPyPI"

This reverts commit 555abf5.

.github/workflows/publish.yml

@@ -39,16 +39,16 @@ jobs:
           name: dist
           path: dist
 
+      - name: Publish package to TestPyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
+          skip-existing: true
+
       - name: Install uv
+        if: startsWith(github.ref, 'refs/tags')
         uses: astral-sh/setup-uv@v4
 
-      - name: Publish package to TestPyPI
-        run: |
-          uv publish \
-            --check-url https://test.pypi.org/simple \
-            --publish-url https://test.pypi.org/legacy \
-            --verbose
-
       - name: Publish package to PyPI if commit is tagged
         # Publish only tagged commits
         if: startsWith(github.ref, 'refs/tags')