SNOW-84536: Bump up version to 1.8.4

Author: sfc-gh-stakeda

DESCRIPTION.rst

@@ -9,8 +9,12 @@ Source code is also available at: https://github.com/snowflakedb/snowflake-conne
 Release Notes
 -------------------------------------------------------------------------------
 
+- v1.8.4(July 01,2019)
+
+    - Update Python Connector to discard invalid OCSP Responses while merging caches
 
 - v1.8.3(June 17,2019)
+
     - Update Client Driver OCSP Endpoint URL for Private Link Customers
     - Ignore session gone 390111 when closing
     - Python3.4 using requests 2.21.0 needs older version of urllib3

version.py

@@ -1,3 +1,3 @@
 # Update this for the versions
 # Don't change the forth version number from None
-VERSION = (1, 8, 3, None)
+VERSION = (1, 8, 4, None)