update package version

Jinyu-W · Jinyu-W · commit 32c3dcafa8ab · 2021-08-19T15:38:15.000+08:00
diff --git a/maro/__misc__.py b/maro/__misc__.py
@@ -2,6 +2,6 @@
 # Licensed under the MIT license.
 
 
-__version__ = "0.2.3a2"
+__version__ = "0.2.3a3"
 
 __data_version__ = "0.2"
