Fix CI for stable/4.6 #823

Job	Run time
test (py39, postgresql-file-upgrade-from-4.5)	1m 25s
check (build)	36s
test (py39, mysql-file)	1m 41s
doc (docs)	1m 37s
check (pep8)	35s
test (py39, mysql-file-sqlalchemy14)	1m 41s
doc (docs-gnocchi-web)	1m 30s
test (py39, mysql-swift)	1m 42s
test (py39, mysql-s3)	1m 40s
test (py39, postgresql-file)	1m 40s
test (py39, postgresql-file-sqlalchemy14)	1m 39s
test (py39, postgresql-swift)	1s
test (py39, postgresql-s3)	1m 1s
test (py311, postgresql-file-upgrade-from-4.5)	1m 33s
test (py311, mysql-file)	1m 46s
test (py311, mysql-file-sqlalchemy14)	1m 42s
test (py311, mysql-swift)	1m 42s
test (py311, mysql-s3)	1m 42s
test (py311, postgresql-file)	1m 41s
test (py311, postgresql-file-sqlalchemy14)	1m 41s
test (py311, postgresql-swift)	1m 41s
test (py311, postgresql-s3)	1m 40s
	31m 56s

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