Bump certifi from 2021.10.8 to 2023.7.22 in /gerrit/onboard-offboard

Bumps [certifi](https://github.com/certifi/python-certifi) from 2021.10.8 to 2023.7.22.
- [Commits](certifi/python-certifi@2021.10.08...2023.07.22)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gerrit/onboard-offboard/requirements.txt

@@ -1,4 +1,4 @@
-certifi==2021.10.8
+certifi==2023.7.22
 cffi==1.15.0
 charset-normalizer==2.0.12
 Deprecated==1.2.13