update client version to 3.12 (#169)

mdumandag · asimarslan · commit 1b30c0d004a8 · 2019-04-30T16:36:09.000+03:00
diff --git a/hazelcast/version.py b/hazelcast/version.py
@@ -5,7 +5,7 @@
 
 SERIALIZATION_VERSION = 1
 CLIENT_TYPE = "PYH"
-CLIENT_VERSION_INFO = (3, 11)
+CLIENT_VERSION_INFO = (3, 12)
 CLIENT_VERSION = ".".join(map(str, CLIENT_VERSION_INFO))
 
 
