Bump certifi from 2025.6.15 to 2025.8.3

Bumps [certifi](https://github.com/certifi/python-certifi) from 2025.6.15 to 2025.8.3.
- [Commits](certifi/python-certifi@2025.06.15...2025.08.03)

---
updated-dependencies:
- dependency-name: certifi
  dependency-version: 2025.8.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

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==2025.6.15
+certifi==2025.8.3
 chardet==5.2.0
 idna==3.10
 importlib-metadata==0.23 ; python_version < '3.8'