Merge pull request #2127 from prestist/update-for-release

docs/release-notes: update for 2.23.0

Author: prestist

docs/release-notes.md

@@ -4,12 +4,21 @@ nav_order: 9
 
 # Release Notes
 
-## Upcoming Ignition 2.23.0 (unreleased)
+## Upcoming Ignition 2.24.0 (unreleased)
 
 ### Breaking changes
 
 ### Features
 
+### Changes
+
+### Bug fixes
+
+
+## Ignition 2.23.0 (2025-09-10)
+
+### Features
+
 - Support UpCloud
 
 ### Changes