Migrate from flow to typescript

tests-e2e/cypress/plugins/index.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
 /* eslint-env node */
 // ***********************************************************
 // This example plugins/index.js can be used to load plugins
@@ -12,8 +13,7 @@
 // This function is called when a project is opened or re-opened (e.g. due to
 // the project's config changing)
 
-// eslint-disable-next-line no-unused-vars
-module.exports = (on, config) => {
+export default (on, config) => {
   // `on` is used to hook into various events Cypress emits
   // `config` is the resolved Cypress config
 };