updated ReleaseNotes

Author: deniszykov

ReleaseNotes.txt

@@ -1,3 +1,9 @@
+# 2.3.0
+fix: fixed netcore related error with enumerable.empty<T>
+feature: added optional `global` parameter to all CSharpExpression methods to allow specify global object for expression.
+test: removed flaky test with double.tostring() comparison
+fix: fixed typo in `arg4Name` in `CSharpExpression.ParseFunc{4}` and `CSharpExpression.ParseAction{4}`
+
 # 2.2.9
 fix: fixed error with instantiated generic method on types (which is impossible in normal conditions, but fine for Unity AOT runtime).