Publish v0.2.2

- `Error::UniqueViolation` has now a different value

Sorry for the breakage

Author: soerenmeier

Cargo.lock

@@ -1,7 +1,7 @@
 [package]
 name = "chuchi-postgres"
 description = "A wrapper around tokio-postgres to simplify working with Postgres databases."
-version = "0.2.1"
+version = "0.2.2"
 authors = ["Sören Meier <info@soerenmeier.ch>"]
 homepage = "https://chuchi.dev/"
 repository = "https://github.com/chuchi-dev/chuchi-postgres"