Prepare for release 2.2.0.

CHANGELOG.md

@@ -1,6 +1,21 @@
 Changelog
 =========
 
+Version 2.2.0
+-------------
+
+_2023-07-23_
+
+- **Fix**: Dispose the handle returned by `Job.invokeOnCompletion` when Rx subscription is disposed.
+- **Fix**: The `withScope()` lint now correctly handles different named arguments order.
+- Update AndroidX Lifecycle to `2.6.1`.
+- Update Kotlin to `1.9.0`.
+- Update RxJava to `3.1.6`.
+- Update RxAndroid to `3.0.2`.
+- Update lint to `8.0.2`/`31.0.2`.
+- Update error-prone to `2.20.0`.
+- Update dokka + fresh coat of paint on API docs on the project site.
+
 Version 2.1.1
 -------------