Bump certifi from 2020.6.20 to 2023.7.22

Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.6.20 to 2023.7.22.
- [Commits](https://github.com/certifi/python-certifi/compare/2020.06.20...2023.07.22)

---
updated-dependencies:
- dependency-name: certifi
  dependency-type: direct:production
...

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

requirements.txt

@@ -1,5 +1,5 @@
 applicationinsights==0.11.9
-certifi==2020.6.20
+certifi==2023.7.22
 cffi==1.14.0
 chardet==3.0.4
 cryptography==2.9.2