Format lastUpdated input as date, not datetime

Configuration/TCA/Overrides/pages.php

@@ -1,9 +1,19 @@
 <?php
 
-(function (string $extensionKey) {
+(function (string $extensionKey, string $tableName) {
     \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::registerPageTSConfigFile(
         $extensionKey,
         'Configuration/PageTSconfig/Index.tsconfig',
         $extensionKey
     );
-})('ds_site');
+
+    \TYPO3\CMS\Core\Utility\ArrayUtility::mergeRecursiveWithOverrule($GLOBALS['TCA'][$tableName], [
+        'columns' => [
+            'lastUpdated' => [
+                'config' => [
+                    'eval' => 'date,int',
+                ],
+            ],
+        ],
+    ]);
+})('ds_site', 'pages');