[dovecot/core] 29dff4: NEWS: Update to 2.3.0.1

[GitHub]

  Branch: refs/heads/master-2.3
  Home:   https://github.com/dovecot/core
  Commit: 29dff4512879c53474f9c41508eb916dbbb5644a
      https://github.com/dovecot/core/commit/29dff4512879c53474f9c41508eb916dbbb5644a
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2018-03-21 (Wed, 21 Mar 2018)

  Changed paths:
    M NEWS

  Log Message:
  -----------
  NEWS: Update to 2.3.0.1