Merge pull request #1652 from alphagov/dependabot/npm_and_yarn/postcs… #299

Job	Run time
Lint Ruby / Run RuboCop	12s
Security Analysis / Run Brakeman	10s
Lint JavaScript / Run Standardx	26s
Lint SCSS / Run Stylelint	23s
Test JavaScript / Run Jasmine	1m 47s
Test Ruby / Run RSpec	2m 33s
	5m 31s

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