[pitivi] (4 commits) Non-fast-forward update to branch soundtouch

[Alexandru Băluț <alexbalut src gnome org>]

The branch 'soundtouch' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e7ee570... Update the pre-commit hooks
  84e24cc... title: Fix viewer not updated when undo/redo
  5ae76aa... viewer: Make title dragging operation undoable
  5afe98e... x

Commits added to the branch:

  851cb87... Update the pre-commit hooks
  114c58b... title: Fix viewer not updated when undo/redo
  c8f16b9... viewer: Make title dragging operation undoable
  a457698... Fix CI