Bump softprops/action-gh-release from 1 to 2

Bumps [softprops/action-gh-release](https://github.com/softprops/action-gh-release) from 1 to 2.
- [Release notes](https://github.com/softprops/action-gh-release/releases)
- [Changelog](https://github.com/softprops/action-gh-release/blob/master/CHANGELOG.md)
- [Commits](softprops/action-gh-release@v1...v2)

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/build-runtime.yaml

@@ -52,7 +52,7 @@ jobs:
       # Release published: add artifacts to release
       - name: Add artifacts to release
         if: github.event_name == 'release'
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
           append_body: true
           body: |