Updated the root, gradle plugin, and maven plugin changelogs

Author: Rudolf Visagie

CHANGES.md

@@ -10,6 +10,8 @@ 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
+* Fixed a bug which occurred if the root directory of the project was also the filesystem root ([#732](https://github.com/diffplug/spotless/pull/732))
 
 ## [2.10.1] - 2020-11-13
 ### Fixed

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]
+### Fixed
+* Fixed a bug which occurred if the root directory of the project was also the filesystem root ([#732](https://github.com/diffplug/spotless/pull/732))
 
 ## [5.8.1] - 2020-11-13
 ### Fixed

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]
+### Fixed
+* Fixed a bug which occurred if the root directory of the project was also the filesystem root ([#732](https://github.com/diffplug/spotless/pull/732))
 
 ## [2.6.0] - 2020-11-13
 ### Added