Merge pull request #2980 from alphagov/dependabot/npm_and_yarn/stylel… #1056

Job	Run time
Lint SCSS / Run Stylelint	19s
Lint JavaScript / Run Standardx	17s
Lint Ruby / Run RuboCop	19s
Security Analysis / Run Brakeman	11s
Test JavaScript / Run Jasmine	1m 5s
Test Ruby / Run Minitest	5m 57s
	8m 8s

Provide feedback