Update roslynator to 4.15.0 (#2296)

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

Author: renovate[bot]

Directory.Packages.props

@@ -12,11 +12,11 @@
         <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="4.14.1" />
-        <GlobalPackageReference Include="Roslynator.Formatting.Analyzers" Version="4.14.1" />
-        <GlobalPackageReference Include="Roslynator.CodeAnalysis.Analyzers" Version="4.14.1" />
-        <GlobalPackageReference Include="Roslynator.CodeFixes" Version="4.14.1" />
-        <GlobalPackageReference Include="Roslynator.Refactorings" Version="4.14.1" />
+        <GlobalPackageReference Include="Roslynator.Analyzers" Version="4.15.0" />
+        <GlobalPackageReference Include="Roslynator.Formatting.Analyzers" Version="4.15.0" />
+        <GlobalPackageReference Include="Roslynator.CodeAnalysis.Analyzers" Version="4.15.0" />
+        <GlobalPackageReference Include="Roslynator.CodeFixes" Version="4.15.0" />
+        <GlobalPackageReference Include="Roslynator.Refactorings" Version="4.15.0" />
         <GlobalPackageReference Include="Spectre.Console.Analyzer" Version="1.0.0" />
         <GlobalPackageReference Include="FakeItEasy.Analyzer.CSharp" Version="6.1.1" />
         <GlobalPackageReference Include="xunit.analyzers" Version="1.26.0" />