Bump actions/checkout from 3 to 4 #122

Job	Run time
Set CI/CD metadata	3s
Commit stage / Check file format	4s
Commit stage / Check English usage	5s
Commit stage / Check Markdown format	4s
Commit stage / Count lines of code	6s
Commit stage / Detect Terraform Changes	3s
Commit stage / Scan dependencies	18s
Commit stage / Scan secrets	4s
Commit stage / Lint Terraform	0s
Commit stage / TFSec Scan	0s
Test stage / Unit tests	4s
Test stage / Linting	3s
Test stage / Perform static analysis	5s
Test stage / Test coverage	3s
Build stage / Package Terraform	4s
Acceptance stage / Environment set up	3s
Acceptance stage / Contract test	7s
Acceptance stage / Accessibility test	5s
Acceptance stage / Security test	2s
Acceptance stage / Integration test	8s
Acceptance stage / Load test	3s
Acceptance stage / UI test	5s
Acceptance stage / UI performance test	4s
Acceptance stage / Environment tear down	3s
	1m 46s

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