Update CHANGES.md

Author: laurentgo

_ext/eclipse-cdt/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `9.9.0`).
 
 ## [Unreleased]
+### Fixed
+* Fix typo in gradle variable names ([#1425](https://github.com/diffplug/spotless/pull/1425))
 
 ## [10.5.0] - 2021-12-13
 ### Added

_ext/eclipse-groovy/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `3.5.0`).
 
 ## [Unreleased]
+### Fixed
+* Fix typo in gradle variable names ([#1425](https://github.com/diffplug/spotless/pull/1425))
 
 ## [4.3.0] - 2021-10-13
 ### Added

_ext/eclipse-wtp/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `3.15.1`).
 
 ## [Unreleased]
+### Fixed
+* Fix typo in gradle variable names ([#1425](https://github.com/diffplug/spotless/pull/1425))
 
 ## [3.23.0] - 2021-09-22
 ### Added