Update Rate Limit drain sample Octokit version

Author: fredrikhr

sample/THNETII.Octokit.RateLimitDrain/THNETII.Octokit.RateLimitDrain.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="3.1.4" />
-    <PackageReference Include="Octokit" Version="0.47.0" />
+    <PackageReference Include="Octokit" Version="0.48.0" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta1.20253.1" />
     <PackageReference Include="System.CommandLine.Hosting" Version="0.3.0-alpha.20253.1" />
   </ItemGroup>