update test refs (#359)

Author: SimonCropp

test/Serilog.Settings.Configuration.Tests/Serilog.Settings.Configuration.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0;netcoreapp3.1;net462</TargetFrameworks>
+    <TargetFrameworks>net7.0;netcoreapp3.1;net48</TargetFrameworks>
     <LangVersion>latest</LangVersion>
     <AssemblyName>Serilog.Settings.Configuration.Tests</AssemblyName>
   </PropertyGroup>
@@ -19,11 +19,11 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="17.2.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
+    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="17.5.0" />
     <PackageReference Include="Serilog.Expressions" Version="3.3.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
-    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit" Version="2.4.2" />
   </ItemGroup>
 
   <ItemGroup>