bump FCS and Analyzer SDK to .NEt 9 versions

also bump TFM to net8.0 because those packages require it

Author: baronfel

Directory.Packages.props

@@ -4,8 +4,8 @@
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="FSharp.Core" Version="[8.0.400]" />
-    <PackageVersion Include="FSharp.Compiler.Service" Version="[43.8.400]" />
+    <PackageVersion Include="FSharp.Core" Version="[9.0.100]" />
+    <PackageVersion Include="FSharp.Compiler.Service" Version="[43.9.100]" />
     <PackageVersion Include="Ionide.KeepAChangelog.Tasks" Version="0.1.8" />
     <PackageVersion Include="DotNet.ReproducibleBuilds" Version="1.2.25" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
@@ -14,7 +14,7 @@
     <PackageVersion Include="MSBuild.StructuredLogger" Version="2.2.374" />
   </ItemGroup>
   <ItemGroup Condition="'$(UseLocalAnalyzersSDK)' == 'false'">
-    <PackageVersion Include="FSharp.Analyzers.SDK" Version="[0.27.0]" />
-    <PackageVersion Include="FSharp.Analyzers.SDK.Testing" Version="[0.27.0]" />
+    <PackageVersion Include="FSharp.Analyzers.SDK" Version="[0.28.0]" />
+    <PackageVersion Include="FSharp.Analyzers.SDK.Testing" Version="[0.28.0]" />
   </ItemGroup>
 </Project>

nuget.config

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <!--To inherit the global NuGet package sources remove the <clear/> line below -->
+    <clear />
+    <add key="nuget" value="https://api.nuget.org/v3/index.json" />
+  </packageSources>
+</configuration>

src/Ionide.Analyzers/Ionide.Analyzers.fsproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <IsPackable>true</IsPackable>
     <Tailcalls>true</Tailcalls>