message: indexer-cli: update changelog
diff: @@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
  and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
  ## [Unreleased]
  +### Added
  +- New `--filter` option to select only a subset of Actions query columns, when printing results to stdout.
  ## [0.20.3] - 2022-08-31
  ### Added
  