refactor:add req type

Author: tejaskh3

src/controllers/taskUpdatesHandler.ts

@@ -5,7 +5,7 @@ import { verifyNodejsBackendAuthToken } from "../utils/verifyAuthToken";
 import { sendTaskUpdate } from "../utils/sendTaskUpdates";
 import { TaskUpdates } from "../typeDefinitions/taskUpdate";
 
-export const sendTaskUpdatesHandler = async (request: any, env: env) => {
+export const sendTaskUpdatesHandler = async (request: Request, env: env) => {
   try {
     const authHeader = request.headers.get("Authorization");
     if (!authHeader) {