Update certifi requirement from >=14.05.14 to >=2026.7.22

Updates the requirements on [certifi](https://github.com/certifi/python-certifi) to permit the latest version.
- [Commits](certifi/python-certifi@2015.04.28...2026.07.22)

---
updated-dependencies:
- dependency-name: certifi
  dependency-version: 2026.7.22
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,4 +1,4 @@
-certifi>=14.05.14 # MPL
+certifi>=2026.7.22 # MPL
 python-dateutil>=2.8.2  # BSD
 pydantic>=2.11  # MIT
 setuptools>=83.0.0  # PSF/ZPL