Bump Microsoft.CodeAnalysis.Workspaces.MSBuild from 4.12.0 to 4.13.0 in /tools in the dotnet group (#1278)

* Bump Microsoft.CodeAnalysis.Workspaces.MSBuild

Bumps the dotnet group in /tools with 1 update: [Microsoft.CodeAnalysis.Workspaces.MSBuild](https://github.com/dotnet/roslyn).


Updates `Microsoft.CodeAnalysis.Workspaces.MSBuild` from 4.12.0 to 4.13.0
- [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.Workspaces.MSBuild
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update tools/ExampleTester/ExampleTester.csproj

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bill Wagner <[email protected]>

Author: dependabot[bot]

tools/ExampleTester/ExampleTester.csproj

@@ -9,8 +9,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Build.Locator" Version="1.7.8" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.12.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.13.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="4.13.0" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
   </ItemGroup>