Add govspeak support for finder summary #853

Job	Run time
Test Collections / Run RSpec	1m 28s
Test Collections Publisher / Run RSpec	1m 44s
Test Contacts Admin / Run RSpec	59s
Test Content Data API / Run RSpec	2m 7s
Test Content Publisher / Run RSpec	3m 16s
Test Content Store / Run RSpec	29s
Test Content Tagger / Run RSpec	1m 59s
Test Email Alert Frontend / Run RSpec	1m 0s
Test Email Alert Service / Run RSpec	19s
Test Feedback / Run RSpec	1m 4s
Test Finder Frontend / Run RSpec	1m 11s
Test Frontend / Run RSpec	3m 48s
Test Government Frontend / Run Minitest	5m 13s
Test HMRC Manuals API / Run RSpec	20s
	24m 57s

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