Render code cells with line numbers

[carlosnatalino]

Description / Summary

It would be nice to enable the rendering of code-cell with the line numbers. This functionality is available in the code-block but these blocks are not run when compiling the book. I looked at the documentation but did not find any way to enable that.

Value / benefit

This would enable the text to easily mention specific lines of code when the code has more than a few lines.

Implementation details

No response

Tasks to complete

No response

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[michaelosthege]

Inspired by readthedocs/sphinx_rtd_theme#1168 this worked for me in both HTML and pdflatex output:

```{code-block} python
---
name: code_linenumbers
linenos: True
caption: |
    This code has line numbers.
---
print("Hello")
print("world.")
```

Duplicate issue #1254

[chrisjsewell]

This was added in executablebooks/MyST-NB#380, available as nb_number_source_lines globally, and also per notebook or per code cell, see also https://myst-nb.readthedocs.io/en/latest/use/formatting_outputs.html#images-and-figures

[chrisjsewell]

closing as duplicate