DOC-3206: TinyMCE 7.9.1 community changelog.

Author: kemister85

modules/ROOT/pages/changelog.adoc

@@ -4,6 +4,12 @@
 
 NOTE: This is the {productname} Community version changelog. For information about the latest {cloudname} or {enterpriseversion} Release, see: xref:release-notes.adoc[{productname} Release Notes].
 
+== 7.9.1 - 2025-05-29
+
+=== Improved
+* Update `Notices` file and minified notices.
+// #TINY-12091
+
 == xref:7.9.0-release-notes.adoc[7.9.0 - 2025-05-14]
 
 === Added