Bump Topshelf.NLog from 4.1.0 to 4.2.0

Bumps [Topshelf.NLog](https://github.com/Topshelf/Topshelf) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/Topshelf/Topshelf/releases)
- [Changelog](https://github.com/Topshelf/Topshelf/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/Topshelf/Topshelf/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

OhmGraphite/OhmGraphite.csproj

@@ -34,7 +34,7 @@
     <PackageReference Include="prometheus-net" Version="2.1.3" />
     <PackageReference Include="Resourcer.Fody" Version="1.7.3" />
     <PackageReference Include="TopShelf" Version="4.2.0" />
-    <PackageReference Include="Topshelf.NLog" Version="4.1.0" />
+    <PackageReference Include="Topshelf.NLog" Version="4.2.0" />
     <PackageReference Include="InfluxDB.LineProtocol" Version="1.1.0" />
     <PackageReference Include="MSBuildTasks" Version="1.5.0.235" />
   </ItemGroup>