Fix bad wildcard export for ESM/CJS compatibility

[jpwilliams]

Summary

Fixes a bad exports entry that should be a wildcard.

Checklist

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

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: dd5b6506d4b6519f63760020d103f512dbc4102f

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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