[4.x] Tinymce updates (#35605)

See https://www.tiny.cloud/docs/changelog/ for details

This includes 5.9.0, 5.9.1 and 5.9.2

Author: brianteeman

package-lock.json

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <extension type="plugin" group="editors" method="upgrade">
 	<name>plg_editors_tinymce</name>
-	<version>5.8.2</version>
+	<version>5.9.2</version>
 	<creationDate>2005-2021</creationDate>
 	<author>Tiny Technologies, Inc</author>
 	<authorEmail>N/A</authorEmail>