fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - markdown-it-deflist from 2.0.3 to 2.1.0.
    See this package in npm: https://www.npmjs.com/package/markdown-it-deflist
  - markdown-it-table-of-contents from 0.4.4 to 0.6.0.
    See this package in npm: https://www.npmjs.com/package/markdown-it-table-of-contents
  - mathjax from 3.0.1 to 3.2.2.
    See this package in npm: https://www.npmjs.com/package/mathjax
  - mathjax-full from 3.0.1 to 3.2.2.
    See this package in npm: https://www.npmjs.com/package/mathjax-full
  - zustand from 4.3.9 to 4.5.5.
    See this package in npm: https://www.npmjs.com/package/zustand

See this project in Snyk:
https://app.snyk.io/org/sammytezzy/project/966f2c8d-e98f-4366-9980-1b3b4b9e9513?utm_source=github&utm_medium=referral&page=upgrade-pr