enterprise/rac: Add e2e tests #27327

Job	Run time
lint (bandit)	1m 47s
lint (black)	1m 44s
lint (codespell)	1m 48s
test-e2e (proxy)	18m 43s
lint (pending-migrations)	1m 50s
test-e2e (oauth)	7m 53s
lint (ruff)	1m 33s
test-integration	8m 7s
test-e2e (oauth-oidc)	7m 59s
test-e2e (saml)	6m 25s
test-e2e (ldap)	7m 6s
test-migrations	2m 54s
test-e2e (rac)	4m 14s
test-migrations-from-stable - PostgreSQL 15-alpine	24m 15s
test-e2e (radius)	4m 20s
test-migrations-from-stable - PostgreSQL 16-alpine	23m 4s
test-e2e (scim)	6m 29s
test-unittest - PostgreSQL 15-alpine	21m 35s
test-e2e (flows)	5m 35s
test-unittest - PostgreSQL 16-alpine	19m 27s
ci-core-mark	1s
build	0s
pr-comment	0s
	2h 56m 49s

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