* feat: allow to spawn and run a local reusable workflow
This change contains the ability to parse/plan/run a local
reusable workflow.
There are still numerous things missing:
- inputs
- secrets
- outputs
* feat: add workflow_call inputs
* test: improve inputs test
* feat: add input defaults
* feat: allow expressions in inputs
* feat: use context specific expression evaluator
* refactor: prepare for better re-usability
* feat: add secrets for reusable workflows
* test: use secrets during test run
* feat: handle reusable workflow outputs
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>