Bump async-trait from 0.1.54 to 0.1.56 (#1338)

Bumps [async-trait](https://github.com/dtolnay/async-trait) from 0.1.54 to 0.1.56.
- [Release notes](https://github.com/dtolnay/async-trait/releases)
- [Commits](https://github.com/dtolnay/async-trait/compare/0.1.54...0.1.56)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>