Update Lang version.

Author: SebastianStehle

csharp/Squidex.ClientLibrary/CodeGeneration/CodeGeneration.csproj

@@ -3,6 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
+	<LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>

csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/Squidex.ClientLibrary.Tests.csproj

@@ -1,10 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
-    <Nullable>enable</Nullable>
-	<ImplicitUsings>enable</ImplicitUsings>
+    <ImplicitUsings>enable</ImplicitUsings>
     <IsPackable>false</IsPackable>
+    <LangVersion>latest</LangVersion>
+    <Nullable>enable</Nullable>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

csharp/Squidex.ClientLibrary/Squidex.ClientLibrary/Squidex.ClientLibrary.csproj

@@ -6,14 +6,14 @@
     <Description>ClientLibrary for Squidex Headless CMS</Description>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
 	<ImplicitUsings>enable</ImplicitUsings>
-    <LangVersion>10.0</LangVersion>
+	<LangVersion>latest</LangVersion>
 	<Nullable>enable</Nullable>
     <PackageIcon>logo-squared.png</PackageIcon>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/Squidex/squidex/</PackageProjectUrl>
     <PackageTags>Squidex HeadlessCMS</PackageTags>
     <TargetFrameworks>netstandard2.0;netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
-    <Version>8.9.0</Version>
+    <Version>8.10.0</Version>
   </PropertyGroup>
 
   <ItemGroup>