Add a status message for the Boost library version

Author: wravery

samples/CMakeLists.txt

@@ -13,6 +13,7 @@ if(GRAPHQL_BUILD_HTTP_SAMPLE)
   if(Boost_FOUND)
     if(Boost_VERSION VERSION_GREATER_EQUAL "1.81.0")
       if(EXISTS "${Boost_INCLUDE_DIR}/boost/beast.hpp")
+        message(STATUS "Using Boost.Beast ${Boost_VERSION}")
         add_subdirectory(proxy)
       else()
         message(WARNING "GRAPHQL_BUILD_HTTP_SAMPLE requires the Boost.Beast header-only library, but it was not found in ${Boost_INCLUDE_DIR}.")