feat: handle concurrent refreshes and improve graceful refreshing #2105

Job	Run time
Run OIDC conformity tests	8m 35s
Generate SDKs	3m 42s
Run tests and lints	9m 27s
Run HSM tests	7m 49s
Run end-to-end tests (memory)	5m 21s
Run end-to-end tests (memory, --jwt)	5m 12s
Run end-to-end tests (postgres)	5m 30s
Run end-to-end tests (postgres, --jwt)	5m 31s
Run end-to-end tests (mysql)	5m 3s
Run end-to-end tests (mysql, --jwt)	5m 4s
Run end-to-end tests (cockroach)	5m 33s
Run end-to-end tests (cockroach, --jwt)	5m 46s
Build CLI docs	0s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Draft newsletter	0s
Release SDKs	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 12m 33s

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