Update changelog.

Author: nedtwigg

README.md

@@ -78,6 +78,11 @@
 
 # Changelog
 ## [Unreleased]
+### Changed
+- **BREAKING** `spotlessChangelog` now creates GitHub releases by default ([#6](https://github.com/diffplug/blowdryer-diffplug/pull/6))
+  - you need to update your `deploy.yml`
+  - if you set the `tagPrefix`, then you'll need to update the `runAfterPush`
+  - see PR above for details
 
 ## [7.3.0] - 2024-06-06
 ### Added