Add "editionable_topical_events" to the topical events content type #744

Job	Run time
Test Collections / Run RSpec	1m 40s
Test Collections Publisher / Run RSpec	1m 43s
Test Contacts Admin / Run RSpec	2m 0s
Test Content Data API / Run RSpec	3m 33s
Test Content Publisher / Run RSpec	3m 39s
Test Content Tagger / Run RSpec	2m 52s
Test Content Store / Run RSpec	1m 4s
Test Email Alert Frontend / Run RSpec	1m 5s
Test Email Alert Service / Run RSpec	35s
Test Feedback / Run RSpec	1m 22s
Test Finder Frontend / Run RSpec	1m 26s
Test Frontend / Run RSpec	3m 51s
Test Government Frontend / Run Minitest	5m 45s
Test HMRC Manuals API / Run RSpec	39s
	31m 14s

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