chore: reduce registry code bloat and improve DI #1814

Job	Run time
Run OIDC conformity tests	9m 27s
Generate SDKs	4m 2s
Run HSM tests	6m 13s
Run tests and lints	17m 6s
Run end-to-end tests (memory)	5m 43s
Run end-to-end tests (memory, --jwt)	5m 28s
Run end-to-end tests (postgres)	6m 6s
Run end-to-end tests (postgres, --jwt)	5m 3s
Run end-to-end tests (mysql)	5m 49s
Run end-to-end tests (mysql, --jwt)	5m 28s
Run end-to-end tests (cockroach)	6m 36s
Run end-to-end tests (cockroach, --jwt)	5m 35s
Build CLI docs	1m 0s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Release SDKs	0s
Render version schema	0s
Pending approval Slack notification	0s
Send newsletter	0s
	1h 23m 36s

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