feat: handle concurrent refreshes and improve graceful refreshing #2088

Job	Run time
Run OIDC conformity tests	8m 30s
Generate SDKs	3m 36s
Run tests and lints	9m 2s
Run HSM tests	5m 11s
Run end-to-end tests (memory)	5m 5s
Run end-to-end tests (memory, --jwt)	5m 3s
Run end-to-end tests (postgres)	4m 58s
Run end-to-end tests (postgres, --jwt)	4m 48s
Run end-to-end tests (mysql)	4m 49s
Run end-to-end tests (mysql, --jwt)	4m 55s
Run end-to-end tests (cockroach)	5m 18s
Run end-to-end tests (cockroach, --jwt)	5m 25s
Build CLI docs	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 6m 40s

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