chore: bump version to 0.2.2

Author: nijel

Cargo.toml

@@ -15,4 +15,4 @@ license = "MIT"
 name = "unicode-segmentation-rs"
 readme = "README.md"
 repository = "https://github.com/WeblateOrg/unicode-segmentation-rs"
-version = "0.2.1"
+version = "0.2.2"