Switch code highlight in docs to `pycon` (again)

[afuetterer]

• [ ] use pycon instead of python
• [ ] disable copying of the prompt with custom css

Refs:

• https://mkdocstrings.github.io/recipes/#prevent-selection-of-prompts-and-output-in-python-code-blocks

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This issue is stale because it has been open 60 days without activity. Remove 'abandoned' label or comment or this will be closed in 7 days.

[github-actions[bot]]

This issue is stale because it has been open 90 days without activity. Remove 'abandoned' label or comment or this will be closed in 14 days.