Update Events import script/workflow

[khairahscorner]

Description

• resolves duplicate events getting imported (if no new events, PR should not be raised)
• updates workflow to remove step that appends imported events (now covered in script)

Change Type

• Bug Fix
• New Feature
• Code Refactor
• Mentor Update
• Data Update
• Documentation
• Other

Related Issue

#502 #564 #568

Screenshots

• Ran the script locally to check that no change is made to events.yml if no new event

Pull request checklist

Please check if your PR fulfills the following requirements:

• I checked and followed the contributor guide
• I have tested my changes locally.
• I have added a screenshot from the website after I tested it locally