Bump svenstaro/upload-release-action from 2.7.0 to 2.9.0 (#175)

Bumps [svenstaro/upload-release-action](https://github.com/svenstaro/upload-release-action) from 2.7.0 to 2.9.0.
- [Release notes](https://github.com/svenstaro/upload-release-action/releases)
- [Changelog](https://github.com/svenstaro/upload-release-action/blob/master/CHANGELOG.md)
- [Commits](svenstaro/upload-release-action@2.7.0...2.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release.yml

@@ -40,7 +40,7 @@ jobs:
           zip -r ecotrend_ista.zip ./
       - name: Upload zip to release
         if: steps.checkTag.outputs.exists == 'false'
-        uses: svenstaro/upload-release-action@2.7.0
+        uses: svenstaro/upload-release-action@2.9.0
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: ${{ github.workspace }}/custom_components/ecotrend_ista/ecotrend_ista.zip