bump version and update changelog

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Change log
 
+### v0.22.0
+- **BREAKING**: Updated CLI to v2.22.1, including a bunch of fixes on the Swift side: 
+    - Marked things
+- **BREAKING**: Updated delegate in `HTTPNetworkTransport` to be a `weak var` and to not be passed in as a parameter to the initializer. ([#990](https://github.com/apollographql/apollo-ios/pull/990), [#1002](https://github.com/apollographql/apollo-ios/pull/1002))
+- Added a lock to `InMemoryNormalizedCache` to reduce possible race conditions. ([#552](https://github.com/apollographql/apollo-ios/pull/552))
+- Added the ability to not send duplicates on a websocket. ([#1004](https://github.com/apollographql/apollo-ios/pull/1004))
+- Fixed an issue that could lead to an undefined cache key in the SQLite library. ([#991](https://github.com/apollographql/apollo-ios/pull/991))
+- Fixed an issue where existing fetch operations in a watcher would not be canceled before a new one was started. ([#1012](https://github.com/apollographql/apollo-ios/pull/1012))
+
 ### v0.21.0
 - **BREAKING**, but by popular request: Removed the requirement that the `clientName` and `clientVersion` on `NetworkTransport`, and added a default implementation so custom implementations don't need to set these up themselves. ([#954](https://github.com/apollographql/apollo-ios/pull/954))
 

Configuration/Shared/Project-Version.xcconfig

@@ -1 +1 @@
-CURRENT_PROJECT_VERSION = 0.21.0
+CURRENT_PROJECT_VERSION = 0.22.0