* Add type hints to action and test plugins and to plugin utils. Also fix some bugs and add proper input validation.
* Combine lines.
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
* Extend changelog fragment.
* Move task_vars initialization up.
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Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>