build(deps): bump certifi from 2022.6.15 to 2022.12.7 in /stake-pool/…

…py (#3886)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2022.6.15 to 2022.12.7.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](certifi/python-certifi@2022.06.15...2022.12.07)

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

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stake-pool/py/requirements.txt

@@ -1,7 +1,7 @@
 anyio==3.6.1
 base58==2.1.1
 cachetools==4.2.4
-certifi==2022.6.15
+certifi==2022.12.7
 cffi==1.15.1
 charset-normalizer==2.1.0
 construct==2.10.68