feat: handle concurrent refreshes and improve graceful refreshing #2097

Job	Run time
Run OIDC conformity tests	11m 51s
Generate SDKs	3m 35s
Run tests and lints	13m 26s
Run HSM tests	7m 50s
Run end-to-end tests (memory)	5m 14s
Run end-to-end tests (memory, --jwt)	5m 19s
Run end-to-end tests (postgres)	5m 0s
Run end-to-end tests (postgres, --jwt)	4m 57s
Run end-to-end tests (mysql)	5m 19s
Run end-to-end tests (mysql, --jwt)	5m 19s
Run end-to-end tests (cockroach)	5m 23s
Run end-to-end tests (cockroach, --jwt)	5m 38s
Generate changelog	0s
Build CLI docs	0s
Generate release	0s
Draft newsletter	0s
Render version schema	0s
Release SDKs	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 18m 51s

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