docs: add changed eslint version info

Author: simschla

CHANGES.md

@@ -10,6 +10,10 @@ This document is intended for Spotless developers.
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `1.27.0`).
 
 ## [Unreleased]
+### Fixed
+* Use latest versions of popular style guides for `eslint` tests to fix failing `useEslintXoStandardRules` test. ([#9999](https://github.com/diffplug/spotless/pull/9999), [#1756](https://github.com/diffplug/spotless/issues/1756))
+### Changes
+* Bump default `eslint` version to latest `8.31.0` -> `8.45.0` ([#9999](https://github.com/diffplug/spotless/pull/9999))
 
 ## [2.40.0] - 2023-07-17
 ### Added

plugin-gradle/CHANGES.md

@@ -3,7 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `3.27.0`).
 
 ## [Unreleased]
-
+### Changes
+* Bump default `eslint` version to latest `8.31.0` -> `8.45.0` ([#9999](https://github.com/diffplug/spotless/pull/9999))
 ## [6.20.0] - 2023-07-17
 ### Added
 * Add target option `targetExcludeIfContentContains` and `targetExcludeIfContentContainsRegex` to exclude files based on their text content. ([#1749](https://github.com/diffplug/spotless/pull/1749))

plugin-maven/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `1.27.0`).
 
 ## [Unreleased]
+### Changes
+* Bump default `eslint` version to latest `8.31.0` -> `8.45.0` ([#9999](https://github.com/diffplug/spotless/pull/9999))
 
 ## [2.38.0] - 2023-07-17
 ### Added