Update roslyn to v4 (#1286)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -5,8 +5,8 @@
         <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     </PropertyGroup>
     <ItemGroup>
-        <GlobalPackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" />
-        <GlobalPackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="3.3.4" />
+        <GlobalPackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0" />
+        <GlobalPackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" Version="4.14.0" />
         <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
         <GlobalPackageReference Include="Roslynator.Analyzers" Version="4.14.0" />
         <GlobalPackageReference Include="Roslynator.Formatting.Analyzers" Version="4.14.0" />