message: Update changelog
  Forgot to add Changelog notes from previous PRs
  *
  *
diff: # Release Notes
  ## Platform Version 0.9.15 - UNRELEASED
  -*
  +* Migrate Rust crates to edition 2021 ([#1798](https://github.com/infinyon/fluvio/issues/1798))
  +* TableFormat support for JSON array of objects ([#1967](https://github.com/infinyon/fluvio/issues/1967))
  ## Platform Version 0.9.14 - 2021-12-04
  * Add support for tuple structs in fluvio-protocol derived macros. ([#1828](https://github.com/infinyon/fluvio/issues/1828))
  