Fix wrong URL in inferred dev mode

[goodoldneon]

Summary

Fix a bug where the Cloud URLs were used when dev mode is inferred

Checklist

• [ ] ~Added a docs PR that references this PR~ N/A
• [ ] Added unit/integration tests
• [x] Added changesets if applicable

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 2580e6674f58d657677dbb14fa50329941f6cfca

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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