build(deps): bump beautifulsoup4 from 4.11.0 to 4.11.1

Bumps [beautifulsoup4](https://www.crummy.com/software/BeautifulSoup/bs4/) from 4.11.0 to 4.11.1.

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -4,7 +4,7 @@ git+https://github.com/snarfed/oauth-dropins.git#egg=oauth_dropins
 git+https://github.com/snarfed/granary.git#egg=granary
 git+https://github.com/dvska/gdata-python3.git#egg=gdata
 
-beautifulsoup4==4.11.0
+beautifulsoup4==4.11.1
 brevity==0.2.17
 cachetools==4.2.4
 certifi==2021.10.8