Bump lib version to 2.1.11 (#185)

Author: darrylabbate

src/setup.py

@@ -3,7 +3,7 @@
 
 setup(
     name="cloudformation-cli-python-lib",
-    version="2.1.10",
+    version="2.1.11",
     description=__doc__,
     author="Amazon Web Services",
     author_email="[email protected]",