chore: adds a .d.ts file that adds jQuery to global window for the driver jquery.cy.ts test (#32698)

Author: cacieprins

packages/driver/cypress/e2e/dom/jquery.cy.ts

@@ -1,7 +1,8 @@
+/// <reference path="./jquery.d.ts" />
+
 describe('src/dom/jquery', () => {
   context('.isJquery', () => {
     it('does not get confused when window contains jquery function', () => {
-      // @ts-expect-error - Intentionally adding jquery property to test conflict detection
       window.jquery = () => {}
 
       expect(Cypress.dom.isJquery(window)).to.be.false

packages/driver/cypress/e2e/dom/jquery.d.ts

@@ -0,0 +1,7 @@
+declare global {
+  interface Window {
+    jquery: () => void | undefined | null
+  }
+}
+
+export {}