Bump lxml from 4.6.3 to 4.9.2 (#2212)

Bumps [lxml](https://github.com/lxml/lxml) from 4.6.3 to 4.9.2. - [Release notes](https://github.com/lxml/lxml/releases) - [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt) - [Commits](lxml/lxml@lxml-4.6.3...lxml-4.9.2) --- updated-dependencies: - dependency-name: lxml dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

base-requirements.txt

@@ -13,7 +13,7 @@ psycopg2-binary==2.8.6
 python3-openid==3.2.0
 python-decouple==3.4
 # lxml used by BeautifulSoup.
-lxml==4.6.3
+lxml==4.9.2
 cssselect==1.1.0
 feedparser==6.0.8
 beautifulsoup4==4.11.2