[pack] update python worker to 1.0.4 (#5682)

* [pack] update python worker to 1.0.4

* 202002211

* Add util modules

Author: Hazhzeng

build/python.props

@@ -1,5 +1,5 @@
 <Project>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Azure.Functions.PythonWorker" Version="1.0.202001304" />
+    <PackageReference Include="Microsoft.Azure.Functions.PythonWorker" Version="1.0.202002213" />
   </ItemGroup>
 </Project>