TypeSchema: better error + skip R5 types in R4-target extensions #1094

Job	Run time
test-on-the-fly-example	1m 0s
test-csharp-sdk	1m 32s
test-local-package-folder-example	16s
test-typescript-sdk-r4	15s
test-typescript-ccda-example	1m 18s
test-python-sdk	1m 17s
test-typescript-us-core-example	38s
test-python-fhirpy-sdk	1m 19s
test-mustache-java-r4-example (25)	15s
test-mustache-java-r4-example (21)	18s
	8m 8s

Navigation Menu