Manage package lock-file in CI #3094

Job	Run time
Dependencies, Unit tests (18)	1m 45s
Static analysis	1m 12s
Dependencies, Unit tests (20)	1m 38s
Dependencies, Unit tests (22)	1m 34s
Build libraries	2m 13s
Build application (govuk-docs)	2m 13s
Build application (govuk-template)	1m 36s
Build application (next-example)	1m 29s
Build application (remix-example)	1m 16s
Test application (govuk-docs, chromium)	1m 25s
Test application (govuk-docs, firefox)	1m 28s
Test application (govuk-docs, electron)	1m 13s
Test application (govuk-template, chromium)	2m 21s
Test application (govuk-template, firefox)	1m 50s
Test application (govuk-template, electron)	1m 40s
Test application (next-example, chromium)	1m 53s
Test application (next-example, firefox)	1m 34s
Test application (next-example, electron)	1m 9s
Test application (remix-example, chromium)	1m 48s
Test application (remix-example, firefox)	1m 25s
Test application (remix-example, electron)	1m 21s
	34m 3s

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