feat: re-enable legacy client IDs #1551

Job	Run time
Run OIDC conformity tests	12m 15s
Generate SDKs	1m 58s
Run tests and lints	21m 8s
Run end-to-end tests (memory)	6m 31s
Run end-to-end tests (memory, --jwt)	9m 5s
Run end-to-end tests (postgres)	7m 12s
Run end-to-end tests (postgres, --jwt)	9m 15s
Run end-to-end tests (mysql)	7m 12s
Run end-to-end tests (mysql, --jwt)	6m 37s
Run end-to-end tests (cockroach)	10m 2s
Run end-to-end tests (cockroach, --jwt)	7m 18s
Run HSM tests	7m 52s
Build CLI docs	1m 35s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Draft newsletter	0s
Release SDKs	0s
Pending approval Slack notification	0s
Send newsletter	0s
	1h 48m 0s

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