Log Message:
gnupg2: update to 2.2.1

version 2.2.1:
* gpg: Fix formatting of the user id in batch mode key generation
  if only "name-email" is given.
* gpgv: Fix annoying "not suitable for" warnings.
* wks: Convey only the newest user id to the provider.  This is the
  case if different names are used with the same addr-spec.
* wks: Create a complying user id for provider policy mailbox-only.
* wks: Add workaround for posteo.de.
* scd: Fix the use of large ECC keys with an OpenPGP card.
* dirmngr: Use system provided root certificates if no specific HKP
  certificates are configured.  If build with GNUTLS, this was
  already the case.