feat: handle concurrent refreshes and improve graceful refreshing (#3… #2114

Job	Run time
Run OIDC conformity tests	9m 59s
Generate SDKs	3m 52s
Run HSM tests	7m 51s
Run tests and lints	24m 44s
Run end-to-end tests (memory)	4m 56s
Run end-to-end tests (memory, --jwt)	5m 13s
Run end-to-end tests (postgres)	5m 5s
Run end-to-end tests (postgres, --jwt)	5m 7s
Run end-to-end tests (mysql)	5m 13s
Run end-to-end tests (mysql, --jwt)	5m 37s
Run end-to-end tests (cockroach)	5m 47s
Run end-to-end tests (cockroach, --jwt)	5m 35s
Build CLI docs	1m 12s
Generate changelog	46s
Generate release	0s
Draft newsletter	0s
Release SDKs	0s
Render version schema	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 30m 57s

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