feat: implement RFC 8628 #2271

Job	Run time
Run OIDC conformity tests	8m 43s
Generate SDKs	3m 35s
Run HSM tests	9m 53s
Run tests and lints	24m 32s
Run end-to-end tests (memory)	5m 10s
Run end-to-end tests (memory, --jwt)	5m 17s
Run end-to-end tests (postgres)	5m 17s
Run end-to-end tests (postgres, --jwt)	5m 40s
Run end-to-end tests (mysql)	5m 39s
Run end-to-end tests (mysql, --jwt)	5m 46s
Run end-to-end tests (cockroach)	6m 7s
Run end-to-end tests (cockroach, --jwt)	6m 7s
Build CLI docs	1m 3s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Release SDKs	0s
Draft newsletter	0s
Pending approval Slack notification	0s
Send newsletter	0s
	1h 32m 49s

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