refactor: Add IRequestOptions type to helpers.request for more type safety (no-changelog) (#8563)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/nodes-base/nodes/MessageBird/MessageBird.node.ts

@@ -4,6 +4,7 @@ import type {
 	INodeExecutionData,
 	INodeType,
 	INodeTypeDescription,
+	IHttpRequestMethods,
 } from 'n8n-workflow';
 import { NodeOperationError } from 'n8n-workflow';
 
@@ -290,7 +291,7 @@ export class MessageBird implements INodeType {
 		// For Query string
 		let qs: IDataObject;
 
-		let requestMethod;
+		let requestMethod: IHttpRequestMethods;
 		let requestPath;
 
 		for (let i = 0; i < items.length; i++) {