message: docs(CHANGELOG): add missing dropzone change of v1.6.0
diff: - avoided accessing deprecated event.mozPressure (#751)
  - changed typings to use `HTMLElement | SVGElement` for `event.target` (#747)
  - added `interacting` arg to cursorChecker (#739)
  + - added zIndex compare for sibling dropzones
  ## v1.5.4
  