Merge pull request #2428 from python-trio/dependabot/pip/certifi-2022.9.24

Bump certifi from 2022.9.14 to 2022.9.24

Author: pquentin

docs-requirements.txt

@@ -14,7 +14,7 @@ attrs==22.1.0
     #   outcome
 babel==2.10.3
     # via sphinx
-certifi==2022.9.14
+certifi==2022.9.24
     # via requests
 charset-normalizer==2.1.1
     # via requests