Bump TaskScheduler from 2.8.21 to 2.9.1 in /LibreHardwareMonitor (#559)

Bumps [TaskScheduler](https://github.com/dahall/taskscheduler) from 2.8.21 to 2.9.1.
- [Release notes](https://github.com/dahall/taskscheduler/releases)
- [Commits](https://github.com/dahall/taskscheduler/compare/v2.8.21...v2.9.1)

---
updated-dependencies:
- dependency-name: TaskScheduler
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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LibreHardwareMonitor/LibreHardwareMonitor.csproj

@@ -21,7 +21,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="TaskScheduler" Version="2.8.21" />
+    <PackageReference Include="TaskScheduler" Version="2.9.1" />
     <PackageReference Include="OxyPlot.Core" Version="2.0.0" />
     <PackageReference Include="OxyPlot.WindowsForms" Version="2.0.0" />
     <PackageReference Include="System.Management" Version="5.0.0" />