feat: client-side PKCE take 3 #4713

Job	Run time
Generate SDKs	3m 32s
Run tests and lints	29m 28s
Run Playwright end-to-end tests (postgres)	5m 30s
Run end-to-end tests (postgres)	43m 47s
Run Playwright end-to-end tests (cockroach)	5m 42s
Run end-to-end tests (cockroach)	49m 15s
Run Playwright end-to-end tests (sqlite)	6m 17s
Run end-to-end tests (sqlite)	46m 49s
Run end-to-end tests (mysql)	45m 22s
Run Playwright end-to-end tests (mysql)	5m 40s
Build CLI docs	1m 19s
Generate changelog	0s
Generate release	0s
Release SDKs	0s
Draft newsletter	0s
Render version schema	0s
Send newsletter	0s
Pending approval Slack notification	0s
	4h 2m 41s

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