Log Message:
py-nbconvert: updated to 7.7.4

7.7.4

Bugs fixed

- Give main tag a height of 100% in css for reveal html

7.7.3

Bugs fixed

- Restore pauses during webpdf render

7.7.2

Bugs fixed

- Show a warning if an image has no alternative text

7.7.1

Bugs fixed

- Restore 'media=print' option

7.7.0

Enhancements made

- \[Accessibility\] some accessibility improvements
- Adopt playwright
- Update to Jupyterlab 4

Bugs fixed

- html: write image/svg+xml data as base64 and skip clean_html
- Remove HTML escaping JSON-encoded widget state

Maintenance and upkeep improvements

- Fix lint error
- Support Python 3.8-3.12