Fix/02.dotnet agent framework workflow ghmodel sequential.ipynb

[Marietta (marietta-a)]

This PR aligns the notebook with the updated sequential workflow

[github-actions]

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[Copilot]

Pull request overview

This PR updates the Lesson 08 multi-agent sequential workflow .NET samples to align with the current Agent Framework workflow APIs and dependency versions.

Changes:

• Updated NuGet/package references in the sequential workflow notebook to newer wildcard version patterns (e.g., Microsoft.Extensions.AI 10.*).
• Migrated agent construction to GetChatClient(...).AsIChatClient().AsAIAgent(...) in both the notebook and the .cs runnable sample.
• Updated workflow streaming execution/event handling to RunStreamingAsync(...) / AgentResponseUpdateEvent.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
08-multi-agent/code_samples/workflows-agent-framework/dotNET/02.dotnet-agent-framework-workflow-ghmodel-sequential.ipynb	Updates package version references and migrates sequential workflow code to the newer streaming/event APIs.
08-multi-agent/code_samples/workflows-agent-framework/dotNET/02.dotnet-agent-framework-workflow-ghmodel-sequential.cs	Aligns the runnable C# sample with the updated agent creation pattern used by the current workflow stack.

Suppressed comments (3)

08-multi-agent/code_samples/workflows-agent-framework/dotNET/02.dotnet-agent-framework-workflow-ghmodel-sequential.ipynb:220

• This notebook output block was edited to show a wildcard package version ("1.*") as the installed version for OpenTelemetry.Api. Installed package output should reflect the resolved concrete version; consider clearing outputs and rerunning (or omit version numbers from the output).

   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Azure.Identity, 1.15.0</span></li><li><span>OpenTelemetry.Api, 1.*</span></li><li><span>System.Linq.Async, 6.0.3</span></li></ul></div></div>"
      ]

08-multi-agent/code_samples/workflows-agent-framework/dotNET/02.dotnet-agent-framework-workflow-ghmodel-sequential.ipynb:249

• This notebook output block was edited to show a wildcard package version ("1.*") as the installed version for Microsoft.Agents.AI.Workflows. Installed package output should reflect the resolved concrete version; consider clearing outputs and rerunning (or omit version numbers from the output).

   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Microsoft.Agents.AI.Workflows, 1.*</span></li></ul></div></div>"
      ]

08-multi-agent/code_samples/workflows-agent-framework/dotNET/02.dotnet-agent-framework-workflow-ghmodel-sequential.ipynb:276

• This notebook output block was edited to show a wildcard pre-release version pattern ("1.-") as the installed version for Microsoft.Agents.AI.OpenAI. Installed package output should reflect the resolved concrete version; consider clearing outputs and rerunning (or omit version numbers from the output).

   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Microsoft.Agents.AI.OpenAI, 1.*-*</span></li></ul></div></div>"
      ]

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