Merge pull request #1646 from alphagov/dependabot/npm_and_yarn/postcs… #288

Job	Run time
Lint Ruby / Run RuboCop	11s
Security Analysis / Run Brakeman	10s
Lint SCSS / Run Stylelint	30s
Lint JavaScript / Run Standardx	21s
Test JavaScript / Run Jasmine	1m 47s
Test Ruby / Run RSpec	1m 35s
	4m 34s

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