Bump certifi from 2025.1.31 to 2025.4.26 (#1447)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2025.1.31 to 2025.4.26.
- [Commits](certifi/python-certifi@2025.01.31...2025.04.26)

---
updated-dependencies:
- dependency-name: certifi
  dependency-version: 2025.4.26
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

demos/moderator_bot/requirements-dev.txt

@@ -3,7 +3,7 @@ aiohttp==3.11.18
 async-timeout==5.0.1
 atomicwrites==1.4.1
 attrs==25.3.0
-certifi==2025.1.31
+certifi==2025.4.26
 chardet==5.2.0
 idna==3.10
 importlib-metadata==0.23 ; python_version < '3.8'