feat: redirect to OIDC providers only once in registration flows #4644

Job	Run time
Generate SDKs	3m 22s
Run end-to-end tests (postgres)	1h 7m 52s
Run tests and lints	2m 43s
Run end-to-end tests (cockroach)	1h 10m 24s
Run Playwright end-to-end tests (postgres)	6m 54s
Run end-to-end tests (sqlite)	1h 8m 34s
Run Playwright end-to-end tests (cockroach)	8m 35s
Run end-to-end tests (mysql)	1h 12m 8s
Run Playwright end-to-end tests (sqlite)	7m 34s
Run Playwright end-to-end tests (mysql)	7m 44s
Build CLI docs	0s
Generate changelog	0s
Generate release	0s
Release SDKs	0s
Render version schema	0s
Draft newsletter	0s
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Pending approval Slack notification	0s
	5h 15m 50s

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