chore: remove net10 target

src/StevanFreeborn.Atproto.IdentityResolver/StevanFreeborn.Atproto.IdentityResolver.csproj

@@ -1,9 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.1;net10.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.1</TargetFrameworks>
     <IsAotCompatible Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">true</IsAotCompatible>
     <VerifyReferenceAotCompatibility>true</VerifyReferenceAotCompatibility>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
   <PropertyGroup>
     <PackageId>StevanFreeborn.Atproto.IdentityResolver</PackageId>
@@ -33,5 +34,6 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="System.Text.Json" />
   </ItemGroup>
 </Project>