chore: bumping version to 1.2.0

Author: themantre

setup.py

@@ -10,7 +10,7 @@
     long_description = fh.read()
 
 NAME = "pactus-sdk"
-VERSION = "1.1.2"
+VERSION = "1.2.0"
 AUTHOR = "Pactus Development Team"
 AUTHOR_EMAIL = "info@pactus.org"
 DESCRIPTION = "Pactus Development Kit"