Rebuild for vault-kv interface fix and cleanup master CI
Rebuild to pick up the vault-kv fix for unit numbers sharing a suffix.
https://github.com/openstack-charmers/charm-interface-vault-kv/pull/16
https://github.com/openstack-charmers/charm-interface-vault-kv/pull/17

update:

charmcraft.yaml for v3
tox.ini to use py3.12 by default
test-requirements.in to use zaza for juju3
update test bundles to work with charmcraft v3
.zuul.yaml to set charm_build_name for charmbuild
osci.yaml to use charmcraft 3.x/stable


generate:

merged-requirements-py312.txt
test-requirements-py312.txt
src/test-requirements-py310.txt


add:

update-requirements env to tox.ini and src/tox.ini



Closes-Bug: #2169389
Change-Id: I1fb8f37b1f49fc96aa744fe547c0447234c64178
Signed-off-by: Seyeong Kim seyeong.kim@canonical.com