Bump actions/download-artifact from 5 to 6 #1262

Job	Run time
Set CI/CD metadata	5s
Commit stage / Check file format	8s
Commit stage / Check Markdown format	5s
Commit stage / Scan secrets	9s
Commit stage / Detect Terraform Changes	4s
Commit stage / Check TODO usage	6s
Commit stage / Count lines of code	15s
Commit stage / Scan dependencies	27s
Commit stage / Check English usage	9s
Commit stage / Lint Terraform	0s
Commit stage / Run terraform-docs	0s
Commit stage / Trivy Scan	0s
Test stage / Check generated dependencies	46s
Test stage / Unit tests	2m 24s
Test stage / Typecheck	51s
Test stage / Linting	51s
Test stage / Test coverage	6s
Test stage / Perform static analysis	8s
Build stage / Build Docs	1m 38s
Build stage / Build SDKs	1m 46s
Build stage / Build servers	1m 22s
Build stage / Build proxies	52s
Build stage / Build libs	2m 21s
Acceptance stage	0s
Publish stage	0s
	14m 33s

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