chore(deps): bump tokio in /backend in the minor-and-patch group (#1004)

Bumps the minor-and-patch group in /backend with 1 update: [tokio](https://github.com/tokio-rs/tokio).


Updates `tokio` from 1.53.0 to 1.53.1
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.53.0...tokio-1.53.1)

---
updated-dependencies:
- dependency-name: tokio
  dependency-version: 1.53.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-and-patch
...

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Author: dependabot[bot]