bump System.CommandLine up to 2.0.0

Author: smdn

src/Smdn.Reflection.ReverseGenerating.ListApi/Smdn.Reflection.ReverseGenerating.ListApi.csproj

@@ -32,7 +32,7 @@ SPDX-License-Identifier: MIT
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.CommandLine" Version="2.0.0-beta5.25306.1" />
+    <PackageReference Include="System.CommandLine" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="6.0.0" Condition="$(TargetFramework.StartsWith('net6.')) Or $(TargetFramework.StartsWith('netcoreapp'))" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="8.0.0" Condition="$(TargetFramework.StartsWith('net8.'))" />