Crons: SDK for Node.JS

[gaprl]

This issue tracks adding Crons to our Node JS package.

### Tasks
- [ ] https://github.com/getsentry/sentry-javascript/issues/8006
- [ ] https://github.com/getsentry/sentry-docs/pull/6842
- [ ] https://github.com/getsentry/sentry-javascript/issues/8067

Is this issue important to you?
Please feel free to upvote or provide your feedback, we'd love to hear more about your use cases.

[AbhiPrasad]

See getsentry/sentry-javascript#7996 at an early attempt as this we twitch streamed building: https://www.twitch.tv/videos/1805791207