Update the remain hacking version for lower-constraints

It missing from https://review.openstack.org/#/c/627149/, this ps
to add it.

Change-Id: If852e608429df25edf4dd4676d35d3957cdeee3e
Closes-Bug: #1810530

lower-constraints.txt

@@ -26,7 +26,7 @@ fixtures==3.0.0
 flake8==2.5.5
 gitdb2==2.0.3
 GitPython==2.1.8
-hacking==0.10.0
+hacking==1.1.0
 idna==2.6
 imagesize==1.0.0
 iso8601==0.1.12