fix: update type casting for event document updates to use UpdateData for better type safety

Author: akarsh911

src/component/Events.tsx

@@ -1,5 +1,6 @@
 import React, { useEffect, useState } from "react";
 import { collection, getDocs, deleteDoc, doc, setDoc, updateDoc } from "firebase/firestore";
+import type { UpdateData, DocumentData } from "firebase/firestore";
 import type { Event } from "../models/Event";
 import { db } from "../firebase";
 import { useNavigate } from "react-router-dom";
@@ -136,8 +137,7 @@ const EventsPage: React.FC = () => {
       if (editMode && event.eventId) {
         // Editing existing event: update the existing document by its id.
         // This preserves the document id (slug) and avoids creating a new doc when title/slug changes.
-  // updateDoc expects a partial update object; cast to Record<string, unknown> to satisfy TS without using `any`
-  await updateDoc(doc(db, "events", event.eventId), eventToSave as Record<string, unknown>);
+        await updateDoc(doc(db, "events", event.eventId), eventToSave as UpdateData<DocumentData>);
         await fetchEvents();
         alert("Event updated successfully!");
       } else {