Update 004_pg_dump_parallel.pl

Author: ZTE-EBASE

src/bin/pg_dump/t/004_pg_dump_parallel.pl

@@ -1,3 +1,5 @@
+# Copyright (c) 2021-2023, PostgreSQL Global Development Group
+
 use strict;
 use warnings;
 
@@ -75,4 +77,4 @@
    ],
    'parallel restore as inserts');
 
-done_testing();
+done_testing();