* Prevent Ansible 2.9 to choke on collections using deprecation by date or collection_name for deprecation calls. * Add changelog fragment. * Fix YAML. * Improve C# compatibility. * Add tests for AnsibleModule. * Fix var name. * Fix type. * Update C# code. * Show deprecation warning if removed_at_date is used for Python modules. * Update changelogs/fragments/69935-2.10-deprecation-support.yml Co-authored-by: Alicia Cozine <879121+acozine@users.noreply.github.com> * Prevent crash of validate-modules if 'removed_in' is not in 'deprecated'. Co-authored-by: Alicia Cozine <879121+acozine@users.noreply.github.com>