install OpenSSL on Mac with gRPC

Author: duncanpo

CMakeLists.txt

@@ -252,7 +252,7 @@ if(WITH_OTLP_GRPC)
     find_package(c-ares REQUIRED)
     find_package(re2 REQUIRED)
     if(WIN32 OR APPLE)
-        find_package(openssl REQUIRED)
+	find_package(OpenSSL REQUIRED)
     elseif(UNIX AND NOT CYGWIN)
         find_package(upb REQUIRED)
     endif()