fix(executor): initialize http_requests list for ingesting new requests

[RWL-Dittrich]

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• fix: Bug fix.
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💡 Description

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Fixed http_requests not being assigned an empty list. So when a node is not the first node in a cluster, the app crashes.

Resolved by assigning http_requests to an empty list before continuing the rest of the logic

Key Changes

1. Assigned http_requests to an empty list before continuing the rest of the logic

🔗 Related Issues

List any issues this PR closes or relates to:

• Closes [Bug]: Executor error: cannot access local variable 'http_requests' where it is not associated with a value #216

✅ Checklist

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• I have performed a self-review of my own code.
• I have added/updated tests that prove my fix or feature works (if applicable).
• I have updated the documentation (if necessary).
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[gufengc]

Hi, please run pre-commit on your local to fix pre-commit failure