chore(deps): bump pulldown-cmark from 0.13.3 to 0.13.4 (#109)

Bumps [pulldown-cmark](https://github.com/raphlinus/pulldown-cmark) from 0.13.3 to 0.13.4.
- [Release notes](https://github.com/raphlinus/pulldown-cmark/releases)
- [Commits](pulldown-cmark/pulldown-cmark@v0.13.3...v0.13.4)

---
updated-dependencies:
- dependency-name: pulldown-cmark
  dependency-version: 0.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]