Log Message:
Update to 1.0, provided by maintainer in PR pkg/55732. From the changelog:

## 1.0 (2020-09-12)

* Caution! Backwards incompatible changes:
  * As a message name, `-` now refers to the message on the standard input,
    and not the the previous message anymore.  Use `.-` to refer to
    the previous message in a short way.
    The tools will print a warning if you use `-` and the standard input
    comes from a TTY.
  * mpick: use the -F flag to read script files.
  * mpick: remove msglist support, use plain mmsg(7) arguments.
* Many mblaze tools now make use of pledge(2) on OpenBSD.
* add contrib/mcount, a tool to count mails
* mrep: use Reply-From configuration to find From header
* Many bug fixes.

## 0.7 (2020-05-15)

* All tools now follow symlinks to mails.
* mdirs: add -a to list all subfolders, ignoring Maildir++ convention.
* mcom: add preview alias for show command.
* mrep/mbnc: allow only one message as argument.
* maddr: add -d to only print display name.
* mthread: add -r to reverse top-level order.
* mlist: print number of matches when message selection is in place.
* mpick: many improvements.
* Many bug fixes.