build(deps): bump certifi from 2022.5.18.1 to 2022.12.7 in /docs

Bumps [certifi](https://github.com/certifi/python-certifi) from 2022.5.18.1 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](https://github.com/certifi/python-certifi/compare/2022.05.18.1...2022.12.07)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...
Signed-off-by: Ndependabot[bot] <support@github.com>

docs/requirements.txt

-alabaster==0.7.12
-Babel==2.10.1
-certifi==2022.5.18.1
+alabaster==0.7.12
+babel==2.10.1
+certifi==2022.12.7
 charset-normalizer==2.0.12
-colorama==0.4.4
 docutils==0.17.1
 idna==3.3
 imagesize==1.3.0
-importlib-metadata==4.11.4
-Jinja2==3.1.2
-MarkupSafe==2.1.1
+jinja2==3.1.2
+markupsafe==2.1.1
 packaging==21.3
-Pygments==2.12.0
+pygments==2.12.0
 pyparsing==3.0.9
 pytz==2022.1
 requests==2.27.1
 snowballstemmer==2.2.0
-Sphinx==5.0.1
+sphinx==5.0.1
 sphinx-rtd-theme==1.0.0
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-asyncio==0.3.0
@@ -25,4 +23,3 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
 urllib3==1.26.9
-zipp==3.8.0