Update release notes

Author: JVerwolf

docs/changelog/120168.yaml

@@ -1,5 +1,5 @@
 pr: 121327
-summary: Fix privileges in system migration WRITE block and re-enable "Reduce Data Loss in System Indices Migration"
+summary: Reduce Data Loss in System Indices Migration
 area: Infra/Core
 type: bug
 issues: []