Python: Update the samples/demos readme. (#9720)

### Motivation and Context

Update the samples/demos readme.

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### Description

Update the samples/demos readme.

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### Contribution Checklist

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- [X] The code builds clean without any errors or warnings
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python/samples/demos/README.md

@@ -6,4 +6,6 @@ Demonstration applications that leverage the usage of one or many SK features
 | ----------------- | ----------------------------------------------- |
 | assistants_group_chat | A sample Agent demo that shows a chat functionality with an OpenAI Assistant agent. |
 | booking_restaurant | A sample chat bot that leverages the Microsoft Graph and Bookings API as a Semantic Kernel plugin to make a fake booking at a restaurant. |
+| guided_conversations | A sample showing a framework for a pattern of use cases referred to as guided conversations. |
+| processes_with_dapr | A sample showing the Semantic Kernel process framework used with the Python Dapr runtime. |
 | telemetry_with_application_insights | A sample project that shows how a Python application can be configured to send Semantic Kernel telemetry to Application Insights. |