binary-type was added to nlohmann::json 3.8.0 - this is the minimum requirement now

Author: pboettch

src/nlohmann/json-schema.hpp

@@ -24,11 +24,11 @@
 #include <nlohmann/json.hpp>
 
 #ifdef NLOHMANN_JSON_VERSION_MAJOR
-#	if (NLOHMANN_JSON_VERSION_MAJOR * 10000 + NLOHMANN_JSON_VERSION_MINOR * 100 + NLOHMANN_JSON_VERSION_PATCH) < 30600
-#		error "Please use this library with NLohmann's JSON version 3.6.0 or higher"
+#	if (NLOHMANN_JSON_VERSION_MAJOR * 10000 + NLOHMANN_JSON_VERSION_MINOR * 100 + NLOHMANN_JSON_VERSION_PATCH) < 30800
+#		error "Please use this library with NLohmann's JSON version 3.8.0 or higher"
 #	endif
 #else
-#	error "expected existing NLOHMANN_JSON_VERSION_MAJOR preproc variable, please update to NLohmann's JSON 3.6.0"
+#	error "expected existing NLOHMANN_JSON_VERSION_MAJOR preproc variable, please update to NLohmann's JSON 3.8.0"
 #endif
 
 // make yourself a home - welcome to nlohmann's namespace