Update packages

Author: RehanSaeed

Tests/Boxed.Mapping.Test/Boxed.Mapping.Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup Label="Build">
-    <TargetFrameworks>net7.0;net6.0;netcoreapp3.1</TargetFrameworks>
+    <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup Label="Project References">

Tests/Directory.Build.props

@@ -7,10 +7,10 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="JunitXml.TestLogger" Version="3.0.134" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="Moq" Version="4.20.69" />
     <PackageReference Include="xunit" Version="2.5.0" />
-    <PackageReference Include="xunit.runner.visualstudio" PrivateAssets="All" Version="2.4.5">
+    <PackageReference Include="xunit.runner.visualstudio" PrivateAssets="All" Version="2.5.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
   </ItemGroup>