Bump certifi from 2023.5.7 to 2023.7.22 in /jobs/ftp-poller

Bumps [certifi](https://github.com/certifi/python-certifi) from 2023.5.7 to 2023.7.22.
- [Commits](certifi/python-certifi@2023.05.07...2023.07.22)

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

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

jobs/ftp-poller/requirements.txt

@@ -6,7 +6,7 @@ Werkzeug==1.0.1
 aniso8601==9.0.1
 attrs==23.1.0
 bcrypt==4.0.1
-certifi==2023.5.7
+certifi==2023.7.22
 cffi==1.15.1
 charset-normalizer==3.1.0
 click==8.1.3