Bump newsroom-core from a42fcd6 to 8d01c54 in /client

Bumps [newsroom-core](https://github.com/superdesk/newsroom-core) from `a42fcd6` to `8d01c54`.
- [Release notes](https://github.com/superdesk/newsroom-core/releases)
- [Commits](superdesk/newsroom-core@a42fcd6...8d01c54)

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

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