Bump Roslynator.Analyzers from 4.1.2 to 4.2.0 (graphql-dotnet#3429)

Author: dependabot[bot]

src/Directory.Build.props

@@ -25,7 +25,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Roslynator.Analyzers" Version="4.1.2">
+    <PackageReference Include="Roslynator.Analyzers" Version="4.2.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>