Updates for 20.08 cycle start for groovy and libs

- Adds groovy to the series in the metadata
- Classic charms: sync charm-helpers.
- Classic ceph based charms:  also sync charms.ceph
- Reactive charms: trigger a rebuild

Change-Id: Icede67a051fcd07f6b62df3d0b0401c6284e8e61

rebuild

@@ -2,4 +2,4 @@
 # when dependencies of the charm change,
 # but nothing in the charm needs to.
 # simply change the uuid to something new
-c17ec0ce-937e-11ea-a49b-8b4b0c8e2b7f
+919f60bc-a4d0-11ea-816d-9b921d9b3f16

src/metadata.yaml

@@ -9,14 +9,15 @@ description: |
   This charm provides BIND9 as a backend for integration with OpenStack
   Designate, providing DNSaaS in an OpenStack cloud.
 tags:
-  - openstack
-  - dns
+- openstack
+- dns
 series:
-  - trusty
-  - xenial
-  - bionic
-  - eoan
-  - focal
+- trusty
+- xenial
+- bionic
+- eoan
+- focal
+- groovy
 subordinate: false
 extra-bindings:
   dns-frontend: