Bump Microsoft.CodeAnalysis.CSharp.Workspaces from 4.5.0 to 4.8.0

Bumps [Microsoft.CodeAnalysis.CSharp.Workspaces](https://github.com/dotnet/roslyn) from 4.5.0 to 4.8.0.
- [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-minor
...

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

Author: dependabot[bot]

Gu.Reactive.Analyzers.Tests/Gu.Reactive.Analyzers.Tests.csproj

@@ -30,7 +30,7 @@
     <PackageReference Include="Gu.Roslyn.Asserts.Analyzers" Version="4.0.0" PrivateAssets="all" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.7" PrivateAssets="all" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" PrivateAssets="all" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.8.14" PrivateAssets="all" />
     <PackageReference Include="NUnit" Version="3.14.0" PrivateAssets="all" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" PrivateAssets="all" />

Gu.Reactive.Analyzers/Gu.Reactive.Analyzers.csproj

@@ -42,7 +42,7 @@
     <PackageReference Include="Gu.Analyzers" Version="2.0.3" PrivateAssets="all" />
     <PackageReference Include="Gu.Roslyn.Extensions.Source" Version="0.17.1" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.7" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.8.14" PrivateAssets="all" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.507" PrivateAssets="all" />
     <PackageReference Include="WpfAnalyzers" Version="4.1.1" PrivateAssets="all" />

Gu.Reactive.Benchmarks/Gu.Reactive.Benchmarks.csproj

@@ -31,7 +31,7 @@
     <PackageReference Include="Gu.Reactive.Analyzers" Version="5.0.1" PrivateAssets="all" />
     <PackageReference Include="Gu.Roslyn.Asserts" Version="4.3.0" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.7" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.8.14" PrivateAssets="all" />
     <PackageReference Include="NUnit" Version="3.14.0" />