Bump soupsieve from 2.3 to 2.3.1

Bumps [soupsieve](https://github.com/facelessuser/soupsieve) from 2.3 to 2.3.1.
- [Release notes](https://github.com/facelessuser/soupsieve/releases)
- [Commits](facelessuser/soupsieve@2.3...2.3.1)

---
updated-dependencies:
- dependency-name: soupsieve
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

requirements-dev.txt

@@ -60,7 +60,7 @@ semantic-version==2.8.5
 simplejson==3.17.5
 six==1.16.0
 snowballstemmer==2.1.0
-soupsieve==2.3
+soupsieve==2.3.1
 Sphinx==4.3.0
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2