Add final newline to get_approved_comments.php

Author: szepeviktor

tests/data/get_approved_comments.php

@@ -22,4 +22,4 @@
 assertType( 'array<int, int>', get_approved_comments( 1, [
 	'count'  => false,
 	'fields' => 'ids',
-] ) );
+] ) );