Update icalendar from 4.0.1 to 4.0.2
Update icalendar from 4.0.1 to 4.0.2
glogiotatidis/snippets-service,mozilla/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,mozmar/snippets-service,glogiotatidis/snippets-service,mozilla/snippets-service,mozilla/snippets-service,mozmar/snippets-service,mozilla/snippets-service