Bump defmt from ec8ae6b to 0cb72e6 in /rtic_v0.5/stm32f0_hid_mouse

Bumps [defmt](https://github.com/knurling-rs/defmt) from `ec8ae6b` to `0cb72e6`.
- [Release notes](https://github.com/knurling-rs/defmt/releases)
- [Commits](knurling-rs/defmt@ec8ae6b...0cb72e6)

---
updated-dependencies:
- dependency-name: defmt
  dependency-type: direct:production
...

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Author: dependabot[bot]