message: Reinstate 0.26.1 changelog
diff: @@ -82,6 +82,16 @@ Internal Changes
  - Show an error in the PM room when the IRC user has blocked unregistered users from messaging. ([\#1380](https://github.com/matrix-org/matrix-appservice-irc/issues/1380))
  - Add headers to the admin room help text. ([\#1381](https://github.com/matrix-org/matrix-appservice-irc/issues/1381))
  +0.26.1 (2021-06-03)
  +===================
  +
  +This update features a **security** fix for a bug in `matrix-appservice-bridge`. Server administrators are encouraged to update the bridge. See https://github.com/matrix-org/matrix-appservice-bridge/releases/tag/2.6.1 for details. If you have any questions, please contact [security@matrix.org](security@matrix.org).
  +
  +Bugfixes
  +--------
  +
  +- Update a number of packages to latest versions, including `matrix-appservice-bridge@2.6.1` containing a security fix. ([\#1365](https://github.com/matrix-org/matrix-appservice-irc/issues/1365))
  +
  0.26.0 (2021-05-13)
  ===================
  