Remove obsolete TFMs

- Remove net461.
- Remove net5.0.
- Add net6.0.

Author: martincostello

Directory.Packages.props

@@ -26,10 +26,10 @@
   <ItemGroup Condition=" '$(AssemblyName)' == 'JustEat.HttpClientInterception' ">
     <PackageVersion Include="System.Net.Http" Version="4.0.0" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(AssemblyName)' == 'JustEat.HttpClientInterception' and '$(TargetFramework)' == 'net5.0' ">
     <PackageVersion Update="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
     <PackageVersion Update="Newtonsoft.Json" Version="12.0.3" />
     <PackageVersion Update="System.Text.Json" Version="5.0.0" />
+  <ItemGroup Condition=" '$(AssemblyName)' == 'JustEat.HttpClientInterception' and '$(TargetFramework)' == 'net6.0' ">
   </ItemGroup>
   <ItemGroup Condition=" '$(AssemblyName)' != 'JustEat.HttpClientInterception' ">
     <PackageVersion Update="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />

src/HttpClientInterception/JustEat.HttpClientInterception.csproj

@@ -12,7 +12,7 @@
     <RootNamespace>JustEat.HttpClientInterception</RootNamespace>
     <SignAssembly>true</SignAssembly>
     <Summary>A .NET library for intercepting server-side HTTP dependencies.</Summary>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net5.0;net461;net472</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net472;net6.0</TargetFrameworks>
     <!--
      TODO Remove after 4.0.0 ships to NuGet.org
     -->
@@ -24,7 +24,7 @@
     <PackageReference Include="Newtonsoft.Json" />
     <PackageReference Include="System.Text.Json" />
   </ItemGroup>
-  <ItemGroup Condition=" ('$(TargetFramework)' == 'net461') OR ('$(TargetFramework)' == 'net472') ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net472' ">
     <PackageReference Include="System.Net.Http" />
   </ItemGroup>
   <ItemGroup>