Updated to Blazor GA (no preview packages)

Author: eiximenis

src/Blazor.Extensions.Canvas/Blazor.Extensions.Canvas.csproj

@@ -17,10 +17,11 @@
     <LangVersion>7.3</LangVersion>
     <RazorLangVersion>3.0</RazorLangVersion>
     <AddRazorSupportForMvc>true</AddRazorSupportForMvc>
+    <TargetFramework>netstandard2.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="3.1.0-preview1.19508.20" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="3.1.5" />
   </ItemGroup>
 
   <ItemGroup>