Make request ID fields optional in letter request schema; add tests f… #90

Job	Run time
Set CI/CD metadata	5s
Commit stage / Check file format	7s
Commit stage / Scan secrets	8s
Commit stage / Check English usage	8s
Commit stage / Check for changes to event schema package compared to main branch	4s
Commit stage / Check TODO usage	6s
Commit stage / Check Markdown format	3s
Commit stage / Scan dependencies	38s
Commit stage / Count lines of code	9s
Commit stage / Check event schema version has been updated	4s
Test stage / Check generated dependencies	24s
Test stage / Unit tests	55s
Test stage / Typecheck	26s
Test stage / Linting	51s
Test stage / Perform static analysis	7s
Test stage / Test coverage	5s
Build stage	-1s
Acceptance stage	0s
	4m 19s

Provide feedback