Added changelog for Python 3.9 module appeared for Fedora 33.
<change_log title="unit">
+<changes apply="unit-python3.9" ver="1.22.0" rev="1"
+ date="2021-02-04" time="18:00:00 +0300"
+ packager="Andrei Belov &lt;defan@nginx.com&gt;">
+
+<change>
+<para>
+Initial release of Python 3.9 module for NGINX Unit.
+</para>
+</change>
+
+</changes>
+
+
<changes apply="unit-php
unit-python unit-python2.7
unit-python3.4 unit-python3.5 unit-python3.6 unit-python3.7
