build(deps): bump certifi from 2025.7.14 to 2025.8.3 in /dev-utils (elastic#2381)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2025.7.14 to 2025.8.3.
- [Commits](certifi/python-certifi@2025.07.14...2025.08.03)

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

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

Author: dependabot[bot]

dev-utils/requirements.txt

@@ -1,4 +1,4 @@
 # These are the pinned requirements for the lambda layer/docker image
-certifi==2025.7.14
+certifi==2025.8.3
 urllib3==1.26.20
 wrapt==1.14.1