Bump xmltodict from 0.13.0 to 0.14.0 in /docker/bs4-py3 (#32996)

Bumps [xmltodict](https://github.com/martinblech/xmltodict) from 0.13.0 to 0.14.0.
- [Changelog](https://github.com/martinblech/xmltodict/blob/master/CHANGELOG.md)
- [Commits](martinblech/xmltodict@v0.13.0...v0.14.0)

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

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