Bump newsroom-core from 79665b7 to 2a9dd68 in /client

Bumps [newsroom-core](https://github.com/superdesk/newsroom-core) from `79665b7` to `2a9dd68`.
- [Release notes](https://github.com/superdesk/newsroom-core/releases)
- [Commits](superdesk/newsroom-core@79665b7...2a9dd68)

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

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