cobol: Regenerate gcc/cobol/lang.opt.urls

This had been missed by the following commit:

commit d70dbee952cd6aa956190e2993e14dd3b712efd3
Author: Xavier Del Campo Romero <xdelcampo@symas.com>
Date:   Thu Jun 4 16:05:42 2026 +0200

    cobol: Move copybook path searches to cobol1

gcc/cobol/ChangeLog:

	* lang.opt.urls: Regenerate