feat: add a policy callback to customize OIDC credential linking #5226

Job	Run time
Generate SDKs	3m 39s
Run end-to-end tests (postgres)	44m 44s
Run end-to-end tests (cockroach)	47m 45s
Run tests and lints	30m 56s
Run end-to-end tests (sqlite)	43m 57s
Run Playwright end-to-end tests (postgres)	6m 31s
Run end-to-end tests (mysql)	46m 7s
Run Playwright end-to-end tests (cockroach)	7m 28s
Run Playwright end-to-end tests (sqlite)	6m 22s
Run Playwright end-to-end tests (mysql)	6m 40s
Build CLI docs	1m 26s
Generate changelog	0s
Generate release	0s
Draft newsletter	0s
Release SDKs	0s
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	4h 5m 35s

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