fix: Use net8.0 for cli.

Author: HavenDV

src/libs/AutoSDK.CLI/AutoSDK.CLI.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
+    <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <NoWarn>$(NoWarn);CA1724;CA1303</NoWarn>