Bump Microsoft.Extensions.Hosting.WindowsServices from 3.1.7 to 3.1.8

Bumps [Microsoft.Extensions.Hosting.WindowsServices](https://github.com/aspnet/Extensions) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/aspnet/Extensions/releases)
- [Commits](https://github.com/aspnet/Extensions/compare/v3.1.7...v3.1.8)
Signed-off-by: Ndependabot-preview[bot] <support@dependabot.com>

IoTSharp/IoTSharp.csproj

@@ -85,7 +85,7 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.7" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="3.1.7" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="3.1.7" />
-    <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="3.1.7" />
+    <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="3.1.8" />
     <PackageReference Include="MQTTnet.AspNetCoreEx" Version="3.0.11" />
     <PackageReference Include="MQTTnet.Extensions.ManagedClient" Version="3.0.12" />
   </ItemGroup>