Abilities: Update registration test for deprecation metadata

Author: gziolo

tests/phpunit/tests/abilities-api/wpRegisterAbility.php

@@ -196,6 +196,7 @@ public function test_register_valid_ability(): void {
 				'annotations'  => $expected_annotations,
 				'show_in_rest' => true,
 				'public'       => false,
+				'deprecated'   => false,
 			)
 		);