Changelog in plugin-gradle, too

Author: mernst

plugin-gradle/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `3.27.0`).
 
 ## [Unreleased]
+### Added
+* `typeAnnotations()` step to correct formatting of type annotations.  It puts type annotations on the same line as the type that they qualify.  Run it after a Java formattng step, such as `googleJavaFormat()`. ([#1275](https://github.com/diffplug/spotless/pull/1275))
 
 ## [6.9.1] - 2022-08-10
 ### Fixed