Update ChatAIze.Abstractions to 0.12.9

Author: marcel2215

src/ChatAIze.PluginApi.csproj

@@ -33,7 +33,7 @@
     <None Include="../README.md" Pack="true" PackagePath="" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ChatAIze.Abstractions" Version="0.12.8" />
+    <PackageReference Include="ChatAIze.Abstractions" Version="0.12.9" />
     <PackageReference Include="ChatAIze.Utilities" Version="0.5.0" />
   </ItemGroup>
 </Project>