Bump actions/download-artifact from 4 to 6 #510

Job	Run time
Set CI/CD metadata	3s
Commit stage / Check Markdown format	4s
Commit stage / Check file format	6s
Commit stage / Check English usage	7s
Commit stage / Count lines of code	10s
Commit stage / Scan secrets	8s
Commit stage / Scan dependencies	50s
Commit stage / Check TODO usage	3s
Commit stage / Detect Terraform Changes	5s
Commit stage / Trivy Scan	0s
Commit stage / Run terraform-docs	0s
Commit stage / Lint Terraform	0s
Test stage / Linting	4s
Test stage / Unit tests	3s
Test stage / Perform static analysis	3s
Test stage / Test coverage	6s
Build stage / Build Docs	41s
Build stage / Artefact 1	3s
Build stage / Artefact n	4s
Acceptance stage / Environment set up	3s
Acceptance stage / Security test	3s
Acceptance stage / UI test	5s
Acceptance stage / UI performance test	4s
Acceptance stage / Integration test	5s
Acceptance stage / Contract test	4s
Acceptance stage / Accessibility test	6s
Acceptance stage / Load test	3s
Acceptance stage / Environment tear down	4s
Publish stage	0s
	3m 17s

Provide feedback