CCM-14410: Make the eventpub lambda handle unknown plane values #595

Job	Run time
Set CI/CD metadata	4s
Commit stage / Scan secrets	8s
Commit stage / Check Markdown format	6s
Commit stage / Scan dependencies	46s
Commit stage / Check file format	6s
Commit stage / Check English usage	6s
Commit stage / Detect Terraform Changes	6s
Commit stage / Count lines of code	7s
Commit stage / Check TODO usage	6s
Commit stage / Run terraform-docs	-1s
Commit stage / Trivy Scan	-1s
Commit stage / Lint Terraform	-1s
Test stage / Linting	4s
Test stage / Unit tests	6s
Test stage / Test coverage	5s
Test stage / Perform static analysis	7s
Build stage	0s
Acceptance stage	0s
	1m 54s

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