gnupg: Add version 1 (#23798)
gnupg: Add version 1 (#23798)

From the gnupg.org website:

> GnuPG 1.4 is the old, single binary version which still support the
> unsafe PGP-2 keys. However, it lacks many modern features and will
> receive only important updates.

I'm starting to appreciate gpg1 more, because it is relocatable (gng2
has hard-coded paths to gpg-agent and other tools) and it does not
require gpg-agent at all.
LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack