Build(deps): Bump ncipollo/release-action from 1.20.0 to 1.21.0

Bumps [ncipollo/release-action](https://github.com/ncipollo/release-action) from 1.20.0 to 1.21.0.
- [Release notes](https://github.com/ncipollo/release-action/releases)
- [Commits](ncipollo/release-action@b7eabc9...339a818)

---
updated-dependencies:
- dependency-name: ncipollo/release-action
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -193,7 +193,7 @@ jobs:
         path: dist
     - name: Create GitHub Release
       if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-      uses: ncipollo/release-action@b7eabc95ff50cbeeedec83973935c8f306dfcd0b  # v1.20.0
+      uses: ncipollo/release-action@339a81892b84b4eeb0f6e744e4574d79d0d9b8dd  # v1.21.0
       with:
         name: pytest-asyncio ${{ needs.build.outputs.version }}
         artifacts: dist/*