feat: redirect to OIDC providers only once in registration flows #5140

Job	Run time
Generate SDKs	3m 27s
Run tests and lints	29m 50s
Run Playwright end-to-end tests (postgres)	6m 27s
Run end-to-end tests (postgres)	50m 40s
Run Playwright end-to-end tests (cockroach)	6m 38s
Run end-to-end tests (cockroach)	51m 44s
Run Playwright end-to-end tests (sqlite)	7m 40s
Run end-to-end tests (sqlite)	51m 52s
Run Playwright end-to-end tests (mysql)	6m 3s
Run end-to-end tests (mysql)	50m 27s
Build CLI docs	1m 21s
Generate changelog	0s
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Render version schema	0s
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	4h 26m 9s

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