Validate Seatable Webhooks with HMAC SHA256 Authentication

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📌 Validate Seatable Webhooks with HMAC SHA256 Authentication This mini workflow is designed to securely validate incoming Seatable webhooks using HMAC SHA256 signature verification. 🔐 What it does: Listens for incoming Seatable webhook requests. Calculates a SHA256 HMAC hash of the raw request body using your shared secret. Compares the computed hash with the x-seatable-signature header (after removing the sha256= prefix). If the hashes match: responds with 200 OK and forwards the request to