add support for .net 9

Author: mvdgun

FluentValidation.AutoValidation.Endpoints/FluentValidation.AutoValidation.Endpoints.csproj

@@ -5,7 +5,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <TargetFrameworks>net7.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net7.0;net8.0;net9.0</TargetFrameworks>
         <AssemblyName>SharpGrip.FluentValidation.AutoValidation.Endpoints</AssemblyName>
         <PackageId>SharpGrip.FluentValidation.AutoValidation.Endpoints</PackageId>
         <Title>SharpGrip FluentValidation AutoValidation Endpoints</Title>

FluentValidation.AutoValidation.Mvc/FluentValidation.AutoValidation.Mvc.csproj

@@ -5,7 +5,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <TargetFrameworks>netcoreapp3.1;net6.0;net7.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>netcoreapp3.1;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
         <AssemblyName>SharpGrip.FluentValidation.AutoValidation.Mvc</AssemblyName>
         <PackageId>SharpGrip.FluentValidation.AutoValidation.Mvc</PackageId>
         <Title>SharpGrip FluentValidation AutoValidation MVC</Title>

FluentValidation.AutoValidation.Shared/FluentValidation.AutoValidation.Shared.csproj

@@ -5,7 +5,7 @@
     </PropertyGroup>
 
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net6.0;net7.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp3.1;net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
         <AssemblyName>SharpGrip.FluentValidation.AutoValidation.Shared</AssemblyName>
         <PackageId>SharpGrip.FluentValidation.AutoValidation.Shared</PackageId>
         <Title>SharpGrip FluentValidation AutoValidation Shared</Title>

Tests/FluentValidation.AutoValidation.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net7.0;net8.0</TargetFrameworks>
+        <TargetFrameworks>net7.0;net8.0;net9.0</TargetFrameworks>
         <LangVersion>latest</LangVersion>
         <IsPackable>false</IsPackable>
         <RootNamespace>SharpGrip.FluentValidation.AutoValidation.Tests</RootNamespace>