build(deps): bump tower-service from 0.3.1 to 0.3.2

Bumps [tower-service](https://github.com/tower-rs/tower) from 0.3.1 to 0.3.2.
- [Release notes](https://github.com/tower-rs/tower/releases)
- [Commits](tower-rs/tower@tower-0.3.1...tower-service-0.3.2)

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

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