message: Prepeare CHANGELOG.md for next release
diff: +# NEXT RELEASE
  +
  +### Enhancements
  +* None.
  +
  +### Fixed
  +* <How to hit and notice issue? what was the impact?> ([#????](https://github.com/realm/realm-core/issues/????), since v?.?.?)
  +* None.
  +
  +### Breaking changes
  +* None.
  +
  +-----------
  +
  +### Internals
  +* None.
  +
  +----------------------------------------------
  +
  # 6.0.25 Release notes
  ### Fixed
  