package/perl-mozilla-ca: new package

This is a dependency for perl-lwp-protocol-https (added in a subsequent
patch).

Added via utils/scancpan, updating license only.

Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>