Bump Gu.Roslyn.Extensions from 0.15.7 to 0.16.0

Bumps [Gu.Roslyn.Extensions](https://github.com/GuOrg/Gu.Roslyn.Extensions) from 0.15.7 to 0.16.0.
- [Release notes](https://github.com/GuOrg/Gu.Roslyn.Extensions/releases)
- [Changelog](https://github.com/GuOrg/Gu.Roslyn.Extensions/blob/master/RELEASE_NOTES.md)
- [Commits](https://github.com/GuOrg/Gu.Roslyn.Extensions/commits)

---
updated-dependencies:
- dependency-name: Gu.Roslyn.Extensions
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

PropertyChangedAnalyzers/PropertyChangedAnalyzers.csproj

@@ -59,7 +59,7 @@
 
   <ItemGroup>
     <PackageReference Include="Gu.Analyzers" Version="1.8.5" PrivateAssets="all" />
-    <PackageReference Include="Gu.Roslyn.Extensions" Version="0.15.7" />
+    <PackageReference Include="Gu.Roslyn.Extensions" Version="0.16.0" />
     <PackageReference Include="IDisposableAnalyzers" Version="3.4.15" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
     <PackageReference Include="ReflectionAnalyzers" Version="0.1.22-dev" PrivateAssets="all" />