Reword warning message to include used event key

Author: jhack32

src/__tests__/fire-event.js

@@ -200,7 +200,7 @@ typingEvents.forEach(event => {
     expect(console.warn).toHaveBeenCalledTimes(1)
     expect(console.warn).toHaveBeenCalledWith(
       expect.stringContaining(
-        'By using "change" or "input", there may be unexpected issues. Please use "update" for a better experience.',
+        'Using "fireEvent.{$key} may lead to unexpected results. Please use fireEvent.update() instead.',
       ),
     )
   })

src/vue-testing-library.js

@@ -119,7 +119,7 @@ Object.keys(dtlFireEvent).forEach(key => {
   fireEvent[key] = async (...args) => {
     if (changeOrInputEventCalledDirectly(args[1], key)) {
       console.warn(
-        'By using "change" or "input", there may be unexpected issues. Please use "update" for a better experience.',
+        `Using "fireEvent.{$key} may lead to unexpected results. Please use fireEvent.update() instead.`,
       )
     }
     dtlFireEvent[key](...args)