Bump superdesk-planning from 31cb5f9 to f5ad205 in /client (#154)

Bumps [superdesk-planning](https://github.com/superdesk/superdesk-planning) from `31cb5f9` to `f5ad205`.
- [Release notes](https://github.com/superdesk/superdesk-planning/releases)
- [Commits](superdesk/superdesk-planning@31cb5f9...f5ad205)

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

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