Update matplotlib to 3.8.3

[pyup-bot]

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This PR updates matplotlib from 3.8.2 to 3.8.3.

Changelog

3.8.3

This is the third micro release of the 3.8 series.

Highlights of the 3.8.3 release include:

- Improvements to the MacOS backend
- Fix hanging on `plt.pause`
- Fix warnings about "Secure coding is not enabled for restorable state"
- Fix crash at exit for PGF backend

Links

• PyPI: https://pypi.org/project/matplotlib
• Changelog: https://data.safetycli.com/changelogs/matplotlib/
• Homepage: https://matplotlib.org