Bump beautifulsoup4 from 4.12.3 to 4.13.4

Bumps [beautifulsoup4](https://www.crummy.com/software/BeautifulSoup/bs4/) from 4.12.3 to 4.13.4.

---
updated-dependencies:
- dependency-name: beautifulsoup4
  dependency-version: 4.13.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]