Return proper exit code

Author: SteveDesmond-ca

src/GitHubLabelSync.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<Version>2.0.0</Version>
+		<Version>2.0.1</Version>
 		<OutputType>Exe</OutputType>
 		<PackAsTool>true</PackAsTool>
 		<ToolCommandName>sync-labels</ToolCommandName>

src/Program.cs

@@ -4,6 +4,6 @@ namespace GitHubLabelSync;
 
 public static class Program
 {
-	public static async Task Main(string[] args)
+	public static async Task<int> Main(string[] args)
 		=> await new CommandApp<Command>().RunAsync(args);
 }