chore(deps): bump certifi from 2025.7.14 to 2025.8.3 in the python group (#8101)

Bumps the python group with 1 update: [certifi](https://github.com/certifi/python-certifi).


Updates `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
  dependency-group: python
...

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

Author: dependabot[bot]

tests/requirements.txt

@@ -14,9 +14,9 @@ cachetools==6.1.0 \
     # via
     #   -r requirements.in
     #   google-auth
-certifi==2025.7.14 \
-    --hash=sha256:6b31f564a415d79ee77df69d757bb49a5bb53bd9f756cbbe24394ffd6fc1f4b2 \
-    --hash=sha256:8ea99dbdfaaf2ba2f9bac77b9249ef62ec5218e7c2b2e903378ed5fccf765995
+certifi==2025.8.3 \
+    --hash=sha256:e564105f78ded564e3ae7c923924435e1daa7463faeab5bb932bc53ffae63407 \
+    --hash=sha256:f6c12493cfb1b06ba2ff328595af9350c65d6644968e5d3a2ffd78699af217a5
     # via
     #   -r requirements.in
     #   kubernetes