Bump deadpool-postgres from 0.10.5 to 0.12.1

Bumps [deadpool-postgres](https://github.com/bikeshedder/deadpool) from 0.10.5 to 0.12.1.
- [Changelog](https://github.com/bikeshedder/deadpool/blob/master/CHANGELOG.md)
- [Commits](bikeshedder/deadpool@deadpool-postgres-v0.10.5...deadpool-postgres-v0.12.1)

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

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

Cargo.toml

@@ -37,7 +37,7 @@ autometrics = { version = "1.0.0", features = ["prometheus-exporter"] }
 axum = { version = "0.6", features = ["http2"], default-features = false }
 chrono = "0.4.31"
 cornucopia_async = "0.4.0"
-deadpool-postgres = "0.10.0"
+deadpool-postgres = "0.12.1"
 derive_more = { version = "0.99.17", default-features = false, features = ["constructor"] }
 dotenv = "0.15.0"
 elasticsearch = { version = "8.5.0-alpha.1", default-features = false }