Bump diesel from 2.2.2 to 2.2.3 (#164)

Bumps [diesel](https://github.com/diesel-rs/diesel) from 2.2.2 to 2.2.3.
- [Release notes](https://github.com/diesel-rs/diesel/releases)
- [Changelog](https://github.com/diesel-rs/diesel/blob/v2.2.3/CHANGELOG.md)
- [Commits](diesel-rs/diesel@v2.2.2...v2.2.3)

---
updated-dependencies:
- dependency-name: diesel
  dependency-type: direct:production
...

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