fix: format updated_at as UNIX time stamp #1562

Job	Run time
Run OIDC conformity tests	13m 3s
Generate SDKs	2m 8s
Run tests and lints	24m 48s
Run HSM tests	8m 0s
Run end-to-end tests (memory)	7m 2s
Run end-to-end tests (memory, --jwt)	6m 57s
Run end-to-end tests (postgres)	6m 48s
Run end-to-end tests (postgres, --jwt)	9m 9s
Run end-to-end tests (mysql)	6m 35s
Run end-to-end tests (mysql, --jwt)	7m 4s
Run end-to-end tests (cockroach)	9m 34s
Run end-to-end tests (cockroach, --jwt)	7m 35s
Build CLI docs	1m 31s
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 50m 14s

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