message: changelog: 1.7.0
diff: +1.7.0 (2022-11-05)
  +==================
  +This release principally includes an upgrade to Unicode 15.
  +
  +New features:
  +
  +* [FEATURE #832](https://github.com/rust-lang/regex/issues/916):
  + Upgrade to Unicode 15.
  +
  +
  1.6.0 (2022-07-05)
  ==================
  This release principally includes an upgrade to Unicode 14.
  