Clean the postgres 15 volume #9045

Job	Run time
awx-operator	13m 35s
awx_collection sanity	1m 18s
awx_collection integration (a-h, ^[a-h])	16m 41s
awx_collection integration (i-p, ^[i-p])	18m 29s
dev-env	9m 37s
awx_collection integration (r-z0-9, ^[r-z0-9])	17m 6s
api-test	9m 31s
api-migrations	9m 30s
api-lint	5m 37s
api-swagger	8m 18s
awx-collection	8m 9s
api-schema	11m 13s
ui-lint	6m 45s
ui-test-screens	11m 42s
ui-test-general	8m 3s
combine awx_collection integration coverage	1m 36s
	2h 37m 10s

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