Staggered upgrade procedure for OVS clouds #4423

Job	Run time
Ansible 2.16 lint with Python 3.12	2m 10s
Check changed files	4s
Tox pep8 with Python 3.10	23s
Ansible 2.15 lint with Python 3.10	1m 33s
Tox releasenotes with Python 3.10	28s
Tox docs with Python 3.10	20s
Build Kayobe Image / Build kayobe image	4m 16s
aio (Rocky 9 OVN) / All in one	25m 50s
aio (Rocky 9 OVS) / All in one	25m 46s
aio (Ubuntu Jammy OVS) / All in one	25m 46s
Check container image tags / Check container image tags	0s
aio (Ubuntu Jammy OVN) / All in one	25m 44s
aio upgrade (Rocky 9 OVN) / All in one	18m 59s
aio upgrade (Ubuntu Jammy OVS) / All in one	18m 39s
	2h 29m 58s

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