Bump superdesk-core from 60d561e to 7cd607d in /client

Bumps [superdesk-core](https://github.com/superdesk/superdesk-client-core) from `60d561e` to `7cd607d`.
- [Release notes](https://github.com/superdesk/superdesk-client-core/releases)
- [Commits](superdesk/superdesk-client-core@60d561e...7cd607d)

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

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