Bump newsroom-core from 7fbea78 to 4999e46 in /client (#205)

Bumps [newsroom-core](https://github.com/superdesk/newsroom-core) from `7fbea78` to `4999e46`.
- [Release notes](https://github.com/superdesk/newsroom-core/releases)
- [Commits](superdesk/newsroom-core@7fbea78...4999e46)

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

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