pre-commit: Sync hacking version, bump plugins
pre-commit: Sync hacking version, bump plugins

Sync the hacking version used with 'test-requirements.txt'. While we're
at it, bump the various plugins to their latest versions.

Change-Id: I851f67bd04950a30e88f9a737462f98559412cd9
Signed-off-by: Stephen Finucane <4725dc7f3632bf126d9fbdc30c347e91e8d2fe16@redhat.com>

openstack/nova,openstack/nova,mahak/nova,mahak/nova,openstack/nova,mahak/nova