fix: wrap token handler in transaction #1720

Job	Run time
Run OIDC conformity tests	8m 41s
Generate SDKs	1m 15s
Run HSM tests	6m 47s
Run tests and lints	14m 25s
Run end-to-end tests (memory)	4m 49s
Run end-to-end tests (memory, --jwt)	5m 2s
Run end-to-end tests (postgres)	4m 47s
Run end-to-end tests (postgres, --jwt)	5m 29s
Run end-to-end tests (mysql)	5m 33s
Run end-to-end tests (mysql, --jwt)	5m 11s
Run end-to-end tests (cockroach)	5m 9s
Run end-to-end tests (cockroach, --jwt)	5m 50s
Build CLI docs	57s
Generate changelog	0s
Generate release	0s
Render version schema	0s
Release SDKs	0s
Draft newsletter	0s
Send newsletter	0s
Pending approval Slack notification	0s
	1h 13m 55s

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