Forward `X-Inngest-Server-Kind` headers for registration failures

[jpwilliams]

Summary

Forwards X-Inngest-Server-Kind headers as X-Inngest-Expected-Server-Kind for communications with Inngest servers.

Checklist

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

Related

• inngest/inngest#868

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 7cd4ad8471ab7bd932446a44c360bc9cf56311fb

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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