Bump certifi from 2021.10.8 to 2024.7.4 (#428)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2021.10.8 to 2024.7.4.
- [Commits](certifi/python-certifi@2021.10.08...2024.07.04)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -40,7 +40,7 @@ watchdog = "^2.1.6"
 redis = "^4.2.2"
 slack-sdk = "^3.15.2"
 slack-bolt = "^1.13.0"
-certifi = "^2021.10.8"
+certifi = ">=2021.10.8,<2025.0.0"
 pygithub = "^1.57"
 
 [tool.poetry.dev-dependencies]