chore(deps): update dependency serilog.sinks.file to v6

Author: renovate[bot]

Directory.Packages.props

@@ -11,7 +11,7 @@
   </ItemGroup>
   <!-- Samples -->
   <ItemGroup>
-    <PackageVersion Include="Serilog.Sinks.File" Version="5.0.0" />
+    <PackageVersion Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageVersion Include="Serilog.Sinks.Debug" Version="2.0.0" />
     <PackageVersion Include="System.IO.FileSystem.Primitives" Version="4.3.0" />
     <PackageVersion Include="System.IO" Version="4.3.0" />