Bump certifi from 2022.12.7 to 2023.7.22 in /requirements (#135)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2022.12.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2022.12.07...2023.07.22)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/docs.txt

@@ -6,7 +6,7 @@
 #
 ansi2html==1.8.0
     # via -r docs.in
-certifi==2022.12.7
+certifi==2023.7.22
     # via requests
 charset-normalizer==3.1.0
     # via requests