Bump defmt from 0.3.5 to 0.3.6 in /rtic_v1/stm32f4_independent_watchdog

Bumps [defmt](https://github.com/knurling-rs/defmt) from 0.3.5 to 0.3.6.
- [Release notes](https://github.com/knurling-rs/defmt/releases)
- [Changelog](https://github.com/knurling-rs/defmt/blob/main/CHANGELOG.md)
- [Commits](knurling-rs/defmt@defmt-v0.3.5...defmt-print-v0.3.6)

---
updated-dependencies:
- dependency-name: defmt
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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