fix: implement graceful shutdown in StopAsync()

Author: M0BIN-V

Src/TeleFrame/Application/TelegramBotApplication.cs

@@ -110,10 +110,10 @@ public async Task StartAsync(CancellationToken cancellationToken = default)
     ///     A completed <see cref="Task" /> since the underlying host lifecycle is gracefully controlled via shutdown
     ///     signals.
     /// </returns>
-    public Task StopAsync(CancellationToken cancellationToken = new())
+    public async Task StopAsync(CancellationToken cancellationToken = default)
     {
         _logger.LogInformation("Telegram bot stopping...");
-        return Task.CompletedTask;
+        await _host.StopAsync(cancellationToken);
     }
 
     /// <summary>

Src/TeleFrame/TeleFrame.csproj

@@ -8,7 +8,7 @@
         <PackageId>TeleFrame</PackageId>
         <Description> </Description>
         <RepositoryUrl>https://github.com/M0BIN-V/TeleFrame</RepositoryUrl>
-        <Version>1.3.2</Version>
+        <Version>1.3.3</Version>
         <PackageIcon>TeleFrame.png</PackageIcon>
         <PackageReadmeFile>README.md</PackageReadmeFile>
         <PackageLicenseFile>LICENCE</PackageLicenseFile>