Bump Roslynator.Analyzers from 4.11.0 to 4.12.0 (#375)

Bumps [Roslynator.Analyzers](https://github.com/dotnet/roslynator) from 4.11.0 to 4.12.0.
- [Release notes](https://github.com/dotnet/roslynator/releases)
- [Changelog](https://github.com/dotnet/roslynator/blob/main/ChangeLog.md)
- [Commits](dotnet/roslynator@v4.11.0...v4.12.0)

---
updated-dependencies:
- dependency-name: Roslynator.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Directory.Build.props

@@ -24,7 +24,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Roslynator.Analyzers" Version="4.11.0">
+    <PackageReference Include="Roslynator.Analyzers" Version="4.12.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>