TEC-5071: missing dir and filename for event automator

[pattihis]

🎫 Ticket

TEC-5071

🗒️ Description

The filename and dirname of event-automator was missing in the src/Tribe/Plugins_API.php causing the file_exists( $plugin_path_url ) check to fail in the src/admin-views/help-calendar.php

🎥 Artifacts

✔️ Checklist

• [x] Changelog entry in the readme.txt file.
• [ ] Code is covered by NEW wpunit or integration tests.
• [ ] Code is covered by EXISTING wpunit or integration tests.
• [ ] Are all the required tests passing?
• [x] Automated code review comments are addressed.
• [ ] Have you added Artifacts?
• [ ] Check the base branch for your PR.
• [ ] Add your PR to the project board for the release.