Bump actions/setup-node from 4 to 6 #77

Job	Run time
Set CI/CD metadata	5s
Commit stage / Check file format	8s
Commit stage / Scan secrets	7s
Commit stage / Check English usage	9s
Commit stage / Check Markdown format	4s
Commit stage / Count lines of code	6s
Commit stage / Check TODO usage	3s
Commit stage / Scan dependencies	37s
Commit stage / Check for changes to event schema package compared to main branch	5s
Commit stage / Check event schema version has been updated	0s
Test stage / Check generated dependencies	26s
Test stage / Unit tests	53s
Test stage / Linting	53s
Test stage / Typecheck	25s
Test stage / Perform static analysis	6s
Test stage / Test coverage	3s
Build stage / Artefact 1	5s
Build stage / Build Docs	11s
Build stage / Artefact n	6s
Acceptance stage	-1s
	4m 31s

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