Add 2023.2 Bobcat support

* sync charm-helpers to classic charms
* change openstack-origin/source default to bobcat
* add mantic to metadata series
* align testing with bobcat
* add new bobcat bundles
* add bobcat bundles to tests.yaml
* add bobcat tests to osci.yaml
* update build-on and run-on bases
* update charmcraft_channel to 2.x/stable

Change-Id: Ibe8ab7a4884f6d7984139afc955e99f901de88e6

osci.yaml

@@ -5,4 +5,4 @@
       needs_charm_build: true
       charm_build_name: infinidat-tools
       build_type: charmcraft
-      charmcraft_channel: 2.1/stable
+      charmcraft_channel: 2.x/stable

tests/bundles/jammy-bobcat.yaml

@@ -27,7 +27,7 @@ applications:
     channel: latest/edge
     num_units: 1
     options:
-      openstack-origin: cloud:jammy-zed
+      openstack-origin: cloud:jammy-bobcat
     to:
     - '3'
   keystone-mysql-router:
@@ -38,7 +38,7 @@ applications:
     channel: latest/edge
     num_units: 1
     options:
-      openstack-origin: cloud:jammy-zed
+      openstack-origin: cloud:jammy-bobcat
     to:
     - '4'
   cinder-mysql-router:

tests/tests.yaml

@@ -5,6 +5,7 @@ configure:
   - zaza.openstack.charm_tests.keystone.setup.add_demo_user
 gate_bundles:
   - jammy-antelope
-  - jammy-zed
+  - jammy-bobcat
 smoke_bundles:
   - jammy-antelope
+  - jammy-bobcat