Add .NET 10 support across all projects

Add net10.0 target to core library and Blazor extension while keeping
existing netstandard2.0/net8.0/net9.0 targets for backward compatibility.
Upgrade test and sample projects to net10.0. All 50 tests pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: akcontraforce

src/AKSoftware.Localization.MultiLanguages.Blazor/AKSoftware.Localization.MultiLanguages.Blazor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
     <Authors>Ahmad Mozaffar</Authors>
     <Company>AK Software</Company>
     <Description>AKSoftware.Localization.MultiLanguages is a .NET library that allows .NET developers to build applications that targets multiple languages very easy just with few lines of code, Blazor extensions helps the library to track the status of the components and update them whenever the SetLanguage function being called</Description>

src/AKSoftware.Localization.MultiLanguages.SourceGenerator.Tests/AKSoftware.Localization.MultiLanguages.SourceGenerator.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 

src/AKSoftware.Localization.MultiLanguages.Tests/AKSoftware.Localization.MultiLanguages.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>

src/AKSoftware.Localization.MultiLanguages/AKSoftware.Localization.MultiLanguages.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0;net10.0</TargetFrameworks>
     <Company>AK Software</Company>
     <Authors>Ahmad Mozaffar</Authors>
     <Description>AKSoftware.Localization.MultiLanguages is a .NET library that allows .NET developers to build applications that targets multiple languages very easy just with few lines of code</Description>

src/BlazorAKLocalization/BlazorAKLocalization.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

src/BlazorServerLocalizationSample/BlazorServerLocalizationSample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>

src/BlazorWebApp.Sample/BlazorWebApp.Sample.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>