Update to 2.2.2

Also, improve COMMENT, which conflicted with the pkg-descr.

• gpg: Avoid duplicate key imports by concurrently running gpg processes. [#3446]
• gpg: Fix creating on-disk subkey with on-card primary key. [#3280]
• gpg: Fix validity retrieval for multiple keyrings. [Debian#878812]
• gpg: Fix --dry-run and import option show-only for secret keys.
• gpg: Print "sec" or "sbb" for secret keys with import option import-show. [#3431]
• gpg: Make import less verbose. [#3397]
• gpg: Add alias "Key-Grip" for parameter "Keygrip" and new parameter "Subkey-Grip" to unattended key generation. [#3478]
• gpg: Improve "factory-reset" command for OpenPGP cards. [#3286]
• gpg: Ease switching Gnuk tokens into ECC mode by using the magic keysize value 25519.
• gpgsm: Fix --with-colon listing in crt records for fields > 12.
• gpgsm: Do not expect X.509 keyids to be unique. [#1644]
• agent: Fix stucked Pinentry when using --max-passphrase-days. [#3190]
• agent: New option --s2k-count. [#3276 (workaround)]
• dirmngr: Do not follow https-to-http redirects. [#3436]
• dirmngr: Reduce default LDAP timeout from 100 to 15 seconds. [#3487]
• gpgconf: Ignore non-installed components for commands --apply-profile and --apply-defaults. [#3313]
• Add configure option --enable-werror. [#2423]