- GitHub Actions - use hash based on `pluginVerifierIdeVersions` in `Setup Plugin Verifier IDEs Cache` step
### Changed
- Use [Kotlin extension function](https://jetbrains.org/intellij/sdk/docs/basics/plugin_structure/plugin_services.html?search=servic#retrieving-a-service) to retrieve the `MyProjectService` in the `MyProjectManagerListener`
- Dependencies - upgrade `org.jetbrains.intellij` to `0.6.2`