chore(deps): update dependency markdown to v3.4.4

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Markdown (changelog)	==3.4.3 -> ==3.4.4

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Release Notes

Python-Markdown/markdown (Markdown)

### [`v3.4.4`](https://togithub.com/Python-Markdown/markdown/compare/3.4.3...3.4.4) [Compare Source](https://togithub.com/Python-Markdown/markdown/compare/3.4.3...3.4.4)

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