docs: add release 1.5.3 to change log

SpotlightKid · SpotlightKid · commit 5800329de8db · 2023-06-23T10:26:58.000+02:00
Signed-off-by: Christopher Arndt &lt;chris@chrisarndt.de&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,7 +3,8 @@
 For details and minor changes, please see the [version control log
 messages](https://github.com/SpotlightKid/python-rtmidi/commits/master).
 
-## Development
+
+## 1.5.3 (2023-06-23)
 
 Changes:
 
