update for 2.2

Author: jcupitt

Diff for: CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to `:vips` will be documented in this file.
 
 ## master
 
+## 2.2.0 - 2023-08-17
+
 - improve FFI startup [West14, jcupitt]
 - revise example use of composer [jcupitt]
 - fix bandrank [axkirillov]

Diff for: README.md

@@ -42,7 +42,7 @@ to your `composer.json`:
 
 ```
 "require": {
-    "jcupitt/vips" : "2.1.0"
+    "jcupitt/vips" : "2.2.0"
 }
 ```