Bump actions/checkout from 4 to 6 #1645

Job	Run time
Set CI/CD metadata	6s
Commit stage / Check Markdown format	4s
Commit stage / Scan secrets	7s
Commit stage / Check English usage	9s
Commit stage / Check file format	9s
Commit stage / Check TODO usage	6s
Commit stage / Detect Terraform Changes	4s
Commit stage / Count lines of code	6s
Commit stage / Check for changes to event schema package compared to main branch	4s
Commit stage / Scan dependencies	30s
Commit stage / Check event schema version has been updated	0s
Commit stage / Lint Terraform	-1s
Commit stage / Run terraform-docs	-1s
Commit stage / Trivy Scan	-1s
Test stage / Check generated dependencies	46s
Test stage / Unit tests	2m 31s
Test stage / Typecheck	52s
Test stage / Linting	52s
Test stage / Perform static analysis	5s
Test stage / Test coverage	6s
Build stage / Build Docs	1m 39s
Build stage / Build SDKs	1m 15s
Build stage / Create Dynamic Environment	6s
Build stage / Build proxies	0s
Acceptance stage	-1s
Publish stage	0s
	9m 33s

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