deps: Update dependency Roslynator.Analyzers to 4.15.0

Author: renovate[bot]

Directory.Build.props

@@ -41,7 +41,7 @@
     </PackageReference>
 
     <!-- Roslynator: Code Simplification, Readability, Refactoring -->
-    <PackageReference Include="Roslynator.Analyzers" Version="4.14.1">
+    <PackageReference Include="Roslynator.Analyzers" Version="4.15.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>