Bump newsroom-core from v2.8.1 to v2.8.2 in /client (#222)

Bumps [newsroom-core](https://github.com/superdesk/newsroom-core) from v2.8.1 to v2.8.2.
- [Release notes](https://github.com/superdesk/newsroom-core/releases)
- [Changelog](https://github.com/superdesk/newsroom-core/blob/develop/CHANGELOG.md)
- [Commits](superdesk/newsroom-core@df9c501...1b11de9)

---
updated-dependencies:
- dependency-name: newsroom-core
  dependency-type: direct:production
...

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