Update netcore for version 7.

Author: viferga

source/loaders/cs_loader/netcore/source/MetacallEntryPoint.cs

@@ -29,7 +29,7 @@ static MetacallEntryPoint()
 
             #if NETCOREAPP1_0 || NETCOREAPP1_1 || NETCOREAPP1_2
                 loader = new Providers.LoaderV1(log);
-            #elif NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2 || NET5_0 // TODO: Implement or test support for 3
+            #elif NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2 || NET5_0 || NET7_0 // TODO: Implement or test support for 3
                 loader = new Providers.LoaderV2(log);
             #else
             #   error "NET Core platform not supported"

source/loaders/cs_loader/netcore/source/Providers/LoaderV2.cs

@@ -1,4 +1,4 @@
-#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2 || NET5_0
+#if NETCOREAPP2_0 || NETCOREAPP2_1 || NETCOREAPP2_2 || NET5_0 || NET7_0
 
 using System;
 using System.Collections.Generic;

source/loaders/cs_loader/netcore/source/project.csproj

@@ -4,14 +4,21 @@
     <AssemblyName>CSLoader</AssemblyName>
     <PackageId>CSLoader</PackageId>
     <VersionPrefix>1.0.0</VersionPrefix>
+    <!-- NetCore 2 -->
     <!-- <TargetFramework>netcoreapp2.2</TargetFramework> -->
-    <TargetFramework>net5.0</TargetFramework>
+    <!-- NetCore 5 -->
+    <!-- <TargetFramework>net5.0</TargetFramework> -->
+    <!-- NetCore 7 -->
+    <TargetFramework>net7.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.2.1" />
+    <!-- NetCore 5 -->
+    <!-- <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.2.1" /> -->
+    <!-- NetCore 7 -->
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.4.0" />
   </ItemGroup>
 
 </Project>