Bump pyenchant in /third_party in the pip-dependencies group

Bumps the pip-dependencies group in /third_party with 1 update: [pyenchant](https://github.com/pyenchant/pyenchant).


Updates `pyenchant` from 3.2.2 to 3.3.0
- [Release notes](https://github.com/pyenchant/pyenchant/releases)
- [Commits](pyenchant/pyenchant@v3.2.2...v3.3.0)

---
updated-dependencies:
- dependency-name: pyenchant
  dependency-version: 3.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pip-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

third_party/requirements.txt

@@ -19,5 +19,5 @@ sphinx==8.1.3
 sphinx_book_theme==1.1.3
 # Spelling check in documentation
 codespell==2.4.1
-pyenchant==3.2.2
+pyenchant==3.3.0
 sphinxcontrib-spelling==8.0.1