Add Property Hooks changelog (#4477)

Author: sy-records

language/oop5/changelog.xml

@@ -16,6 +16,12 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       Added: Support for <link linkend="language.oop5.property-hooks">Property Hooks</link>.
+      </entry>
+     </row>
      <row>
       <entry>8.4.0</entry>
       <entry>