feat: handle concurrent refreshes and improve graceful refreshing #2090

Job	Run time
Run OIDC conformity tests	8m 33s
Generate SDKs	3m 42s
Run HSM tests	5m 33s
Run tests and lints	11m 39s
Run end-to-end tests (memory)	4m 56s
Run end-to-end tests (memory, --jwt)	5m 4s
Run end-to-end tests (postgres)	4m 58s
Run end-to-end tests (postgres, --jwt)	5m 1s
Run end-to-end tests (mysql)	5m 11s
Run end-to-end tests (mysql, --jwt)	5m 23s
Run end-to-end tests (cockroach)	5m 37s
Run end-to-end tests (cockroach, --jwt)	5m 32s
Generate changelog	0s
Build CLI docs	0s
Generate release	0s
Draft newsletter	0s
Render version schema	0s
Release SDKs	0s
Pending approval Slack notification	0s
Send newsletter	0s
	1h 11m 9s

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