Merge pull request #2958 from alphagov/dependabot/bundler/govspeak-8.3.0 #998

Job	Run time
Lint Ruby / Run RuboCop	29s
Lint SCSS / Run Stylelint	15s
Security Analysis / Run Brakeman	27s
Lint JavaScript / Run Standardx	15s
Test JavaScript / Run Jasmine	1m 18s
Test Ruby / Run Minitest	6m 1s
	8m 45s

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