Update Microsoft.Agents.Extensions.Teams.AI.csproj

Author: MattB-msft

src/libraries/Extensions/Microsoft.Agents.Extensions.Teams.AI/Microsoft.Agents.Extensions.Teams.AI.csproj

@@ -28,6 +28,7 @@
     <PackageReference Include="JsonSchema.Net" />
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" />
     <PackageReference Include="Microsoft.Identity.Client" />
+    <PackageReference Include="Google.Protobuf" /> 
     <PackageReference Include="Microsoft.ML.Tokenizers.Data.Cl100kBase" /> <!-- This package is required to support gpt-3.x and gpt-4 models -->
     <PackageReference Include="Microsoft.ML.Tokenizers.Data.O200kBase" />  <!-- This package is required to support gpt-4o models -->
     <PackageReference Include="OpenAI" />
@@ -44,4 +45,4 @@
 	  <None Include="readme.md" Pack="true" PackagePath="\" />
 	</ItemGroup>
 
-</Project>
+</Project>