update conan

Author: mborland

conan/conanfile.py

@@ -19,7 +19,7 @@
 
 class CharconvConan(ConanFile):
     name = "boost_decimal"
-    version = "2.4.0"
+    version = "3.0.0"
     description = "Boost provides free peer-reviewed portable C++ source libraries"
     url = "https://github.com/cppalliance/decimal"
     homepage = "https://github.com/cppalliance/decimal"