A broken interactive example in the NumPy docs / add support for handling the .. plot:: directive

[agriyakhetarpal]

Description

Post the merge of numpy/numpy#26745, I found a broken example in the NumPy docs: https://numpy.org/devdocs/reference/generated/numpy.percentile.html

Reproduce

1. Go to https://numpy.org/devdocs/reference/generated/numpy.percentile.html
2. Scroll down to the "Examples" section
3. Click on the "Try it in your browser" button
4. Scroll down in the notebook to see that the plot in the docs did not generate

The issue here is that we don't handle the .. plot:: directive properly – in this case, Numpydoc converts it to a .. code-block:: python directive with the HTML documentation.

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Expected behavior

The code should be a part of the interactive notebook, and the additional plot should be displayed upon running it

Context

• JupyterLite version: N/a
• Operating System and version: N/A
• Browser and version: N/A

Browser Output

N/A