core: expiring model: don't synchronously delete #24938

Job	Run time
lint (bandit)	1m 40s
lint (black)	1m 46s
lint (codespell)	2m 8s
test-migrations	2m 50s
test-integration	4m 44s
lint (pending-migrations)	1m 40s
lint (ruff)	1m 25s
test-migrations-from-stable - PostgreSQL 15-alpine	18m 16s
test-unittest - PostgreSQL 15-alpine	21m 1s
test-migrations-from-stable - PostgreSQL 16-alpine	18m 20s
test-unittest - PostgreSQL 16-alpine	16m 21s
test-e2e (proxy)	5m 23s
test-e2e (oauth)	7m 8s
test-e2e (oauth-oidc)	5m 46s
test-e2e (saml)	5m 50s
test-e2e (ldap)	8m 49s
test-e2e (radius)	4m 15s
test-e2e (scim)	5m 18s
test-e2e (flows)	5m 19s
ci-core-mark	1s
build (amd64)	10m 16s
build (arm64)	19m 38s
pr-comment	7s
	2h 48m 1s

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