Set dummy value for event key for local development

[jpwilliams]

Summary

This fixes a bug whereby events are attempted to send to /e instead of /e/123, resulting in failed requests following #357.

We should maintain that the API should always expect a key, so we'll make the change here to set a dummy key just as users had to pre-#357.

Checklist

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

Related

• 357

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⚠️ No Changeset found

Latest commit: 6f41e6c992aeadf9ef237deb316b615f62057dea

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