* Allow to deprecate module by date in documentation.
* Make sure deprecation date/version match between module docs and meta/runtime.yml.
* Unrelated fix: don't compare deprecated module version to Ansible's version in collection.
* Allow documentation's removal version to be something else than fixed list of Ansible versions for collections.
* Linting.
* Allow to deprecate plugin options by date.
* Add changelog fragment for deprecation by date (also covers #68177).
