Merge pull request #3148 from alphagov/deploy-ga4-tracking #578

Job	Run time
Integration tests	59s
Lint Ruby / Run RuboCop	12s
Lint JavaScript / Run Standardx	11s
Lint SCSS / Run Stylelint	20s
Security Analysis / Run Brakeman	10s
Test Ruby / Run RSpec	42s
Test JavaScript / Run Jasmine	50s
	3m 24s

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