Bump Microsoft.AspNetCore.Mvc.Testing from 10.0.2 to 10.0.3 (#866)

Updated
[Microsoft.AspNetCore.Mvc.Testing](https://github.com/dotnet/dotnet)
from 10.0.2 to 10.0.3.

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Directory.Packages.props

@@ -30,7 +30,7 @@
     <PackageVersion Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="10.0.3" />
     <PackageVersion Include="Microsoft.AspNetCore.Identity.UI" Version="10.0.3" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="10.0.3" />
-    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.2" />
+    <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.3" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Common" Version="5.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.3" />