Update nuget packages and references for VS2022.

ILSpy.AddIn.VS2022/ILSpy.AddIn.VS2022.csproj

@@ -34,22 +34,16 @@
     <DebugSymbols>true</DebugSymbols>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Design" />
-  </ItemGroup>
-
   <Import Project="..\packages.props" />
 
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.SDK" Version="17.0.31902.203" />
-    <!-- Intentionally using an old Roslyn version in the AddIn, so that we stay compatible with old VS versions. -->
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="2.4.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.4.0" />
-    <PackageReference Include="Microsoft.VisualStudio.LanguageServices" Version="2.4.0" />
-    <PackageReference Include="Microsoft.VSSDK.BuildTools" Version="17.0.5232">
+    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.0.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" />
+    <PackageReference Include="Microsoft.VisualStudio.LanguageServices" Version="4.0.1" />
+    <PackageReference Include="Microsoft.VSSDK.BuildTools" Version="17.2.2141">
       <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Mono.Cecil" Version="$(MonoCecilVersion)" />
   </ItemGroup>