Fix package version error (#163)

Author: takuya-takeuchi

src/FaceRecognitionDotNet/FaceRecognitionDotNet.csproj

@@ -45,7 +45,7 @@
 
   <ItemGroup Condition="$(TargetFramework.Contains('netstandard')) Or $(TargetFramework.Contains('netcoreapp')) ">
     <PackageReference Include="System.Drawing.Common">
-      <Version>4.7.0</Version>
+      <Version>5.0.1</Version>
     </PackageReference>
   </ItemGroup>