Update the tool-specific changelogs.

Author: nedtwigg

plugin-gradle/CHANGES.md

@@ -3,8 +3,11 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `3.27.0`).
 
 ## [Unreleased]
+### Added
+* `scalafmt` integration now has a configuration option `majorScalaVersion` that allows you to configure the Scala version that gets resolved from the maven artifact ([#1283](https://github.com/diffplug/spotless/pull/1283))
 ### Changes
 * Add the `ktlint` rule in error messages when `ktlint` fails to apply a fix ([#1279](https://github.com/diffplug/spotless/pull/1279))
+* Bump default `scalafmt` to latest `3.0.8` -> `3.5.9` (removed support for pre-`3.0.0`) ([#1283](https://github.com/diffplug/spotless/pull/1283))
 
 ## [6.9.1] - 2022-08-10
 ### Fixed

plugin-maven/CHANGES.md

@@ -3,8 +3,11 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `1.27.0`).
 
 ## [Unreleased]
+### Added
+* `scalafmt` integration now has a configuration option `majorScalaVersion` that allows you to configure the Scala version that gets resolved from the maven artifact ([#1283](https://github.com/diffplug/spotless/pull/1283))
 ### Changes
 * Add the `ktlint` rule in error messages when `ktlint` fails to apply a fix ([#1279](https://github.com/diffplug/spotless/pull/1279))
+* Bump default `scalafmt` to latest `3.0.8` -> `3.5.9` (removed support for pre-`3.0.0`) ([#1283](https://github.com/diffplug/spotless/pull/1283))
 
 ## [2.24.1] - 2022-08-10
 ### Fixed