Bump ncipollo/release-action from 1.14.0 to 1.15.0

Bumps [ncipollo/release-action](https://github.com/ncipollo/release-action) from 1.14.0 to 1.15.0.
- [Release notes](https://github.com/ncipollo/release-action/releases)
- [Commits](ncipollo/release-action@v1.14.0...v1.15.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
           test $(python -c "from travertino import __version__; print(__version__)") = $VERSION
 
       - name: Create release
-        uses: ncipollo/release-action@v1.14.0
+        uses: ncipollo/release-action@v1.15.0
         with:
           name: ${{ env.VERSION }}
           draft: true