Update hacking version to latest

Change-Id: I7d10ad0fc6da4591d7bc276a33eceb8a577259db
diff --git a/test-requirements.txt b/test-requirements.txt
index e363ddc..9af8c9c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking>=0.12.0,<0.13 # Apache-2.0
+hacking>=1.1.0,<1.2.0 # Apache-2.0
 
 sphinx>=1.6.2 # BSD
 openstackdocstheme>=1.11.0  # Apache-2.0