Use secure copyright file specification URI.

Fixes lintian: insecure-copyright-format-uri
See https://lintian.debian.org/tags/insecure-copyright-format-uri.html for more details.
1 job for master in 3 minutes and 8 seconds (queued for 4 minutes and 31 seconds)
latest
Status Job ID Name Coverage
  Test
passed #57441
test_the_archive

00:03:08