* Add support for specification of change type (add,modified,delete)
* Use NULL as separator in git-diff command output
* Improve PR test workflow
* Fix the workflow file
* Remove accidental string interpolation from action.yml
* Fix test workflow filters
* Improve self-test
* Add test case for matching any changed file
* Fix workflow test - step `name` was used instead of `id`
* Extend default pull_request trigger types
* Remove `edited` trigger to avoid executing workflow on non-code changes