Update datetimepicker event name in documentation (#2076)

Author: juujisai

site/content/docs/standard/forms/datetimepicker/a.html

@@ -822,7 +822,7 @@ <h4 class="mb-4 font-bold">Via JavaScript</h4>
                   class="border-b dark:border-neutral-500 [&:nth-child(even)]:bg-white dark:[&:nth-child(even)]:bg-neutral-600 [&:nth-child(odd)]:bg-gray-100 dark:[&:nth-child(odd)]:bg-neutral-700">
                   <td
                     class="border-r px-6 py-4 dark:border-neutral-500 max-lg:whitespace-nowrap">
-                    <code>dateChange.te.datetimepicker</code>
+                    <code>datetimeChange.te.datetimepicker</code>
                   </td>
                   <td class="px-6 py-4 max-lg:whitespace-nowrap">
                     This event fires immediately when the new input value is