chore(deps)(deps): bump tower_governor from 0.4.3 to 0.8.0

Bumps [tower_governor](https://github.com/benwis/tower-governor) from 0.4.3 to 0.8.0.
- [Commits](https://github.com/benwis/tower-governor/commits)

---
updated-dependencies:
- dependency-name: tower_governor
  dependency-version: 0.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]