Python: fix: python notebooks 10 chapter title (#3036)

### Motivation and Context
The title of chapter 10 in the Python notebooks would be called
'Multiple Results' better.

### Description

Change the title of the notebook.

### Contribution Checklist

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- [x] The code builds clean without any errors or warnings
- [x] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
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script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [x] All unit tests pass, and I have added new tests where possible
- [x] I didn't break anyone 😄

Co-authored-by: Dmytro Struk <13853051+dmytrostruk@users.noreply.github.com>

python/notebooks/10-multiple-results-per-prompt.ipynb

@@ -6,7 +6,7 @@
    "id": "68e1c158",
    "metadata": {},
    "source": [
-    "# Streaming Results"
+    "# Multiple Results"
    ]
   },
   {