Support Vercel Cron jobs in other Meta-Framework packages than @sentry/nextjs #25078

We currently support Vercel Cron Jobs in @sentry/nextjs with _experimental.vercelCronsMonitoring. But as it's a Vercel feature, it could also be used in other Meta Frameworks like SvelteKit or Nuxt.

Vercel Cron Jobs: https://vercel.com/docs/cron-jobs

Related comment: https://github.com/getsentry/sentry-docs/pull/19623/changes#r4193222021

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