Update RELEASE_NOTES

Author: fit-sebastiaan-van-zelst

RELEASE_NOTES

@@ -6,6 +6,10 @@ This is a *minor* release, consisting of the following chages:
     - added conversion to simplified interface
 3. commit 43e7ce9e
     - full conversion of WF-nets to BPMN models
+4. commit 71c9eeec
+    - pull-request #185: reformatting of README file
+5. commit b189e746
+    - pull-request #187: memory-leak fix in xes importing
 
 
 ===== PM4Py 2.1.0.2 =====
@@ -493,4 +497,4 @@ This is a minor release, consisting of the following changes:
 This is a minor release, consisting of the following changes:
 
 - Pyarrow serialization integration (supporting in-memory and to .pkl file serialization)
-- bug fix in the 'escaping edges' based precision
+- bug fix in the 'escaping edges' based precision