Bump Microsoft.CodeAnalysis.CSharp.Workspaces from 3.9.0 to 4.0.1

Bumps [Microsoft.CodeAnalysis.CSharp.Workspaces](https://github.com/dotnet/roslyn) from 3.9.0 to 4.0.1.
- [Release notes](https://github.com/dotnet/roslyn/releases)
- [Changelog](https://github.com/dotnet/roslyn/blob/main/docs/Breaking%20API%20Changes.md)
- [Commits](https://github.com/dotnet/roslyn/commits)

---
updated-dependencies:
- dependency-name: Microsoft.CodeAnalysis.CSharp.Workspaces
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

PropertyChangedAnalyzers.Benchmarks/PropertyChangedAnalyzers.Benchmarks.csproj

@@ -21,7 +21,7 @@
     <PackageReference Include="Gu.Analyzers" Version="1.8.5" PrivateAssets="all" />
     <PackageReference Include="Gu.Roslyn.Asserts" Version="3.3.2" />
     <PackageReference Include="IDisposableAnalyzers" Version="3.4.15" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.9.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
     <PackageReference Include="NUnit" Version="3.13.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.1.0" PrivateAssets="all" />
     <PackageReference Include="ReflectionAnalyzers" Version="0.1.22-dev" PrivateAssets="all" />

PropertyChangedAnalyzers.Test/PropertyChangedAnalyzers.Test.csproj

@@ -34,7 +34,7 @@
     <PackageReference Include="Gu.Roslyn.Asserts.Analyzers" Version="3.3.1" PrivateAssets="all" />
     <PackageReference Include="Gu.Wpf.Reactive" Version="5.0.1" />
     <PackageReference Include="IDisposableAnalyzers" Version="3.4.15" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.9.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
     <PackageReference Include="MvvmCross" Version="8.0.2" />
     <PackageReference Include="MvvmLight" Version="5.4.1.1" />

PropertyChangedAnalyzers/PropertyChangedAnalyzers.csproj

@@ -61,7 +61,7 @@
     <PackageReference Include="Gu.Analyzers" Version="1.8.5" PrivateAssets="all" />
     <PackageReference Include="Gu.Roslyn.Extensions" Version="0.15.7" />
     <PackageReference Include="IDisposableAnalyzers" Version="3.4.15" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
     <PackageReference Include="ReflectionAnalyzers" Version="0.1.22-dev" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.312" PrivateAssets="all" />
   </ItemGroup>