Add .NET 9.0 support and update EF Core dependencies

Expanded TargetFrameworks to include .NET 9.0 alongside .NET 8.0.
Updated Product and Description metadata to reflect .NET 9.0
support. Upgraded Microsoft.EntityFrameworkCore and
Microsoft.EntityFrameworkCore.Tools to version 9.0.7.

Author: AngeloDotNet

src/ClassLibrary.EFCore/ClassLibrary.EFCore.csproj

@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <Authors>Angelo Pirola</Authors>
-        <Product>A generic implementation of Entity Framework Core methods for .NET 8</Product>
-        <Description>A generic implementation of entity framework core methods for .NET 8</Description>
+        <Product>A generic implementation of Entity Framework Core methods for .NET 8 and 9</Product>
+        <Description>A generic implementation of entity framework core methods for .NET 8 and 9</Description>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <PackageProjectUrl>https://github.com/AngeloDotNet/NET8-EFCore-GenericRepository</PackageProjectUrl>
         <PackageIcon>LibraryTools.png</PackageIcon>
@@ -19,8 +19,8 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.6" />
-        <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.6">
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.7" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.7">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>