message: fix conan update instructions
diff: @@ -118,7 +118,7 @@ if(NOT RANGE_V3_NEW_VERSION_HPP STREQUAL RANGE_V3_OLD_VERSION_HPP)
  message("Version updated to ${RANGE_V3_VERSION}. Don't forget to:")
  message(" git push origin <feature-branch>")
  message("and (after that is merged to master) then:")
  - message(" conan create . range-v3/${RANGE_V3_VERSION}@ericniebler/stable")
  + message(" conan create ${CMAKE_CURRENT_SOURCE_DIR} range-v3/${RANGE_V3_VERSION}@ericniebler/stable")
  message(" conan upload --all range-v3/${RANGE_V3_VERSION}@ericniebler/stable")
  endif()
  