Various enhancements in OpenAPI support #982

Job	Run time
build-and-test (ubuntu-latest)	9m 5s
build-and-test (ubuntu-latest)	9m 5s
cleanup-code (ubuntu-latest)	5m 10s
cleanup-code (ubuntu-latest)	8m 37s
inspect-code (ubuntu-latest)	8m 28s
inspect-code (ubuntu-latest)	8m 28s
build-and-test (windows-latest)	17m 18s
build-and-test (windows-latest)	17m 18s
inspect-code (windows-latest)	16m 15s
inspect-code (windows-latest)	16m 15s
build-and-test (macos-latest)	8m 37s
build-and-test (macos-latest)	8m 37s
inspect-code (macos-latest)	7m 18s
inspect-code (macos-latest)	7m 18s
cleanup-code (windows-latest)	9m 56s
cleanup-code (windows-latest)	9m 56s
cleanup-code (macos-latest)	7m 46s
cleanup-code (macos-latest)	7m 46s
publish	0s
publish	3s
	3h 3m 16s

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