Bump diesel from 2.1.4 to 2.2.4

Bumps [diesel](https://github.com/diesel-rs/diesel) from 2.1.4 to 2.2.4.
- [Release notes](https://github.com/diesel-rs/diesel/releases)
- [Changelog](https://github.com/diesel-rs/diesel/blob/v2.2.4/CHANGELOG.md)
- [Commits](diesel-rs/diesel@v2.1.4...v2.2.4)

---
updated-dependencies:
- dependency-name: diesel
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Cargo.toml

@@ -9,7 +9,7 @@ regex = "1.10.6"
 chrono = "0.4"
 dotenv = "0.15.0"
 getopts = "0.2"
-diesel = { version = "2.1.4", features = ["postgres"] }
+diesel = { version = "2.2.4", features = ["postgres"] }
 prettytable-rs = "0.10"
 console = "0.15.8"
 serde = { version = "1", features = ["derive"] }