Bump org.apache.helix:helix-core in /helix-playground

Bumps [org.apache.helix:helix-core](https://github.com/apache/helix) from 0.6.7 to 1.3.0.
- [Release notes](https://github.com/apache/helix/releases)
- [Commits](https://github.com/apache/helix/compare/helix-0.6.7...helix-1.3.0)

---
updated-dependencies:
- dependency-name: org.apache.helix:helix-core
  dependency-type: direct:production
...

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