doc: Sync classref with current source

doc/classes/AESContext.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<class name="AESContext" inherits="Reference" version="3.2">
+<class name="AESContext" inherits="Reference" version="3.4">
 	<brief_description>
 		Interface to low level AES encryption features.
 	</brief_description>