restore package.xml changelog [ci skip]

package.xml

@@ -224,6 +224,43 @@
  <providesextension>msgpack</providesextension>
  <extsrcrelease />
  <changelog>
+
+  <release>
+   <date>2023-06-02</date>
+   <version>
+    <release>2.2.0</release>
+    <api>2.2.0</api>
+   </version>
+   <stability>
+    <release>stable</release>
+    <api>stable</api>
+   </stability>
+   <license filesource="LICENSE">3-Clause-BSD</license>
+   <notes><![CDATA[
+* Fix PHP-8.2 compatibility (see gh issue #165)
+* Fix PHP-8.1 compatibility (see gh issues #161, #157, and #156)
+* Add support for ZEND_ACC_NOT_SERIALIZABLE and magic __{,un}serialize
+]]></notes>
+  </release>
+
+  <release>
+   <date>2020-11-27</date>
+   <version>
+    <release>2.1.2</release>
+    <api>2.0.3</api>
+   </version>
+   <stability>
+    <release>stable</release>
+    <api>stable</api>
+   </stability>
+   <license filesource="LICENSE">3-Clause-BSD</license>
+   <notes><![CDATA[
+* PHP-8 compatibility. (Remi Collet, Michael Wallner)
+* Fixed #152: Split tests for #67 regarding 32/64bit platforms. (Andy Postnikov)
+* Fixed #153 and #147: Small string optimization causes excessive memory consumption under specific workloads. (Michael Wallner)
+]]></notes>
+  </release>
+
   <release>
    <date>2020-07-27</date>
     <version>