chore(deps-dev): bump markdown-it-mathjax3 from 4.3.2 to 5.2.0

Bumps [markdown-it-mathjax3](https://github.com/nzt/markdown-it-mathjax3) from 4.3.2 to 5.2.0.
- [Commits](https://github.com/nzt/markdown-it-mathjax3/commits/v5.2.0)

---
updated-dependencies:
- dependency-name: markdown-it-mathjax3
  dependency-version: 5.2.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]