Correct the grenade.*forward.* jobs regex
Fixed the regular expression to match the grenade.*forward jobs, as it
wouldn't have actually matched the job.
@@ -1900,10 +1900,10 @@ jobs:
# the one that determines our selection here
# only here until stable is votable, then merge
# back to a single job
- - name: ^.*grenade-dsvm-.*-forward-ubuntu-trusty$
+ - name: ^.*grenade-dsvm(-.*)?-forward-ubuntu-trusty$
branch: ^stable/mitaka$
voting: false
- - name: ^.*grenade-dsvm-.*-forward-ubuntu-xenial$
+ - name: ^.*grenade-dsvm(-.*)?-forward-ubuntu-xenial$
branch: ^stable/(?!mitaka).*$
voting: false
