Merge pull request #3481 from alphagov/upgrade-express #4201

Job	Run time
test-ruby-matrix (4, 0)	2m 44s
test-ruby-matrix (4, 1)	2m 34s
test-ruby-matrix (4, 2)	2m 9s
test-ruby-matrix (4, 3)	3m 11s
CodeQL SAST scan / Analyze	1m 34s
Dependency Review scan / dependency-review-pr	0s
Dependency Review scan / dependency-review-push	5s
Lint JavaScript / Run Standardx	14s
Lint Ruby / Run RuboCop	17s
Lint SCSS / Run Stylelint	15s
Security Analysis / Run Brakeman	23s
Test JavaScript / Run Jasmine	35s
Test Ruby	1s
	14m 2s

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