Only build OAS variants if push is to main #2068

Job	Run time
Set CI/CD metadata	7s
Commit stage / Check TODO usage	5s
Commit stage / Detect Terraform Changes	4s
Commit stage / Check Markdown format	5s
Commit stage / Check file format	7s
Commit stage / Scan dependencies	25s
Commit stage / Check for changes to event schema package compared to main branch	6s
Commit stage / Scan secrets	10s
Commit stage / Count lines of code	8s
Commit stage / Check English usage	8s
Commit stage / Trivy Scan	1m 36s
Commit stage / Lint Terraform	4s
Commit stage / Run terraform-docs	6s
Commit stage / Check for event schemas package version change	-1s
Commit stage / Check event schema version has been updated	-1s
Test stage / Unit tests	2m 32s
Test stage / Check generated dependencies	49s
Test stage / Linting	55s
Test stage / Typecheck	49s
Test stage / Perform static analysis	55s
Test stage / Test coverage	4s
Build stage / Build Docs	1m 32s
Build stage / Create Dynamic Environment	4m 32s
Build stage / Build OAS spec for sandbox	57s
Build stage / Build OAS spec (${{ matrix.apimEnv }})	0s
Build stage / Build SDKs	0s
Build stage / Build proxies	1m 53s
Acceptance stage / Contract test	16s
Publish stage	0s
	18m 23s

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