fix: validate page tokens for better error codes #4637

Job	Run time
Generate SDKs	4m 10s
Run tests and lints	25m 4s
Run end-to-end tests (postgres)	43m 7s
Run Playwright end-to-end tests (postgres)	5m 37s
Run end-to-end tests (cockroach)	48m 55s
Run Playwright end-to-end tests (cockroach)	6m 5s
Run end-to-end tests (sqlite)	43m 52s
Run Playwright end-to-end tests (sqlite)	6m 14s
Run end-to-end tests (mysql)	44m 26s
Run Playwright end-to-end tests (mysql)	5m 52s
Build CLI docs	1m 35s
Generate changelog	0s
Generate release	0s
Release SDKs	0s
Render version schema	0s
Draft newsletter	0s
Send newsletter	0s
Pending approval Slack notification	0s
	3h 54m 57s

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