chore: update cross-fetch to ^4.0.0 package

[mmachatschek]

Summary

This updates the cross-fetch package to ^4.0.0 which drops support for node 10 and 12 (this package uses node >=14) + adds official support for the current LTS node 18 and node 20. cross-fetch also updated some implementations around the Cloudflare worker fetch implementation + it has a more solid detection over supported fetch implementations.

Secondly I updated the pnpm package manager to 8.6.2 which added a fix for the lockfile which made some troubles

https://github.com/pnpm/pnpm/issues/6648#issuecomment-1588863457

Checklist

• [ ] Added a docs PR that references this PR
• [ ] Added unit/integration tests Already exist
• [x] Added changesets if applicable

Related

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: b03d0c4760db68398ed976efe141a6af35059a42

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------- | ----- | | inngest | Patch |

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