Use short function for array_find example (#1125)

Author: theodorejb

releases/8.4/release.inc

@@ -355,9 +355,7 @@ PHP
                             <<<'PHP'
 $animal = array_find(
     ['dog', 'cat', 'cow', 'duck', 'goose'],
-    static function (string $value): bool {
-        return str_starts_with($value, 'c');
-    },
+    static fn(string $value): bool => str_starts_with($value, 'c'),
 );
 
 var_dump($animal); // string(3) "cat"