Updated nuget packages

Author: darrelmiller

src/Microsoft.OpenApi.Tool/Microsoft.OpenApi.Tool.csproj

@@ -10,12 +10,16 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.CommandLine.Experimental" Version="0.3.0-alpha.19577.1" />
+    <PackageReference Include="System.CommandLine" Version="2.0.0-beta1.20104.2" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\Microsoft.OpenApi.Readers\Microsoft.OpenApi.Readers.csproj" />
     <ProjectReference Include="..\Microsoft.OpenApi\Microsoft.OpenApi.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Update="Microsoft.SourceLink.GitHub" Version="1.0.0" />
+  </ItemGroup>
+
 </Project>