update package version

Jinyu-W · Jinyu-W · commit a61968b9e53a · 2021-07-13T14:11:50.000+08:00
diff --git a/maro/__misc__.py b/maro/__misc__.py
@@ -2,6 +2,6 @@
 # Licensed under the MIT license.
 
 
-__version__ = "0.2.3a1"
+__version__ = "0.2.3a2"
 
 __data_version__ = "0.2"
