chore(deps): bump linkify-it from 5.0.1 to 5.0.2 in /site/slides (#1638)

Bumps [linkify-it](https://github.com/markdown-it/linkify-it) from 5.0.1 to 5.0.2.
- [Changelog](https://github.com/markdown-it/linkify-it/blob/master/CHANGELOG.md)
- [Commits](markdown-it/linkify-it@5.0.1...5.0.2)

---
updated-dependencies:
- dependency-name: linkify-it
  dependency-version: 5.0.2
  dependency-type: indirect
...

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Author: dependabot[bot]