www/nginx: security update 1.22.0 -> 1.22.1

<ChangeLog>

*) Security: processing of a specially crafted mp4 file by the
  ngx_http_mp4_module might cause a worker process crash, worker
  process memory disclosure, or might have potential other impact
  (CVE-2022-41741, CVE-2022-41742).

</ChangeLog>

(osa)