[Manila] Fix regex for skipping Manila CI job
Existing filter for CI jobs "^.*manila-tempest-minimal-dsvm.*$"
matches all changes to "manila/tests/*" files. But it should not match
change of files that end with "/dummy.py".
@@ -1298,7 +1298,7 @@ jobs:
- ^.*\.rst$
- ^doc/.*$
- ^manila/hacking/.*$
- - ^manila/tests/.*(?!dummy.py)$
+ - ^manila/tests/(?!.*\/dummy.py$)
- ^releasenotes/.*$
- ^rally-jobs/.*$
- ^run_tests.sh$
