[GNU ELPA] Track-Changes version 1.2

[ELPA update]

Version 1.2 of package Track-Changes has just been released in GNU ELPA.
You can now find it in M-x list-packages RET.

Track-Changes describes itself as:

  ====================================
  API to react to buffer modifications
  ====================================

More at https://elpa.gnu.org/packages/track-changes.html

## Summary:

  This library is a layer of abstraction above `before-change-functions'
  and `after-change-functions' which takes care of accumulating changes
  until a time when its client finds it convenient to react to them.

  It provides an API that is easier to use correctly than our
  `*-change-functions' hooks.  Problems that it claims to solve:

## Recent NEWS:

Since v1.1:

- New function `track-changes-inconsistent-state-p'.