editors/pico-alpine: update 2.20 -> 2.21
mail/alpine: update 2.20 -> 2.21

• lots of changes, see the release notes

PR: 218240, 218239
Changes: http://patches.freeiz.com/alpine/release/index.html
Submitted by: Marco Beishuizen <mbeis@xs4all.nl> (maintainer)