refactor: use OsTask from OpenShock.Internal.Common

Our OsTask was a verbatim copy of the one in OpenShock.Internal.Common, which
as of 1.1.0 also carries the CancellationToken parameter the DeviceConnection
call sites rely on. Call sites are unchanged; only the import moves.

Author: hhvrc

LocalRelay/DeviceConnection.cs

@@ -14,6 +14,7 @@
 using OpenShock.SDK.CSharp.Utils;
 using OpenShock.Serialization.Deprecated.DoNotUse.V1;
 using Timer = System.Timers.Timer;
+using OpenShock.Internal.Common.Utils;
 #pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
 
 namespace OpenShock.LocalRelay;

LocalRelay/LocalRelay.csproj

@@ -22,6 +22,7 @@
     <ItemGroup>
         <PackageReference Include="CircularBuffer" Version="1.4.0" />
         <PackageReference Include="OpenShock.Desktop.ModuleBase" Version="1.1.4" />
+        <PackageReference Include="OpenShock.Internal.Common" Version="1.1.0" />
         <PackageReference Include="OpenShock.SDK.CSharp" Version="0.0.42" />
         <PackageReference Include="OpenShock.SDK.CSharp.Live" Version="0.0.42" />
         <PackageReference Include="OpenShock.Serialization.Flatbuffers" Version="2.1.0" />

LocalRelay/SerialPortClient.cs

@@ -11,6 +11,7 @@
 using OpenShock.LocalRelay.Utils;
 using OpenShock.MinimalEvents;
 using OpenShock.SDK.CSharp.Utils;
+using OpenShock.Internal.Common.Utils;
 
 namespace OpenShock.LocalRelay;