Alice Wong

Results 2 issues of Alice Wong

Update `project.yaml` examples to pipeline v4 if the example only has ehrQL actions

- Part of [upgrading pipeline to version 4](https://github.com/orgs/opensafely-core/projects/15/views/1?pane=issue&itemId=81337702&issue=opensafely-core%7Cpipeline%7C224) - Version 4 of pipeline removes support for cohort extractor and the `project.yaml` file should not have an `expectations` section. - `case-control-studies.md`...

Update project.yaml to version 4 template

- Part of [upgrading pipeline to version 4](https://github.com/orgs/opensafely-core/projects/15/views/1?pane=issue&itemId=81337702&issue=opensafely-core%7Cpipeline%7C224) - Version 4 of pipeline removes support for cohort extractor and the `project.yaml` file should not have an `expectations` section.