build(deps): bump tower-test from c1e28af to 46f9b4f

Bumps [tower-test](https://github.com/tower-rs/tower) from `c1e28af` to `46f9b4f`.
- [Release notes](https://github.com/tower-rs/tower/releases)
- [Commits](tower-rs/tower@c1e28af...46f9b4f)

---
updated-dependencies:
- dependency-name: tower-test
  dependency-version: 46f9b4fd14e0a7f3311832b050b7bc1f6c69b152
  dependency-type: direct:production
...

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

Author: dependabot[bot]