fix(deps): update dependency certifi to v2025.8.3 (#356)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [certifi](https://github.com/certifi/python-certifi) | `==2025.7.14` -> `==2025.8.3` | [![age](https://developer.mend.io/api/mc/badges/age/pypi/certifi/2025.8.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/certifi/2025.7.14/2025.8.3?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>certifi/python-certifi (certifi)</summary>

### [`v2025.8.3`](https://github.com/certifi/python-certifi/compare/2025.07.14...2025.08.03)

[Compare Source](https://github.com/certifi/python-certifi/compare/2025.07.14...2025.08.03)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS41MS4wIiwidXBkYXRlZEluVmVyIjoiNDEuNTEuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsidHlwZS9kZXBlbmRlbmNpZXMiXX0=-->

Reviewed-on: #356
Co-authored-by: Renovate [BOT] <renovate-bot@git.tainton.uk>
Co-committed-by: Renovate [BOT] <renovate-bot@git.tainton.uk>

pyproject.toml

@@ -10,7 +10,7 @@ requires-python = "<4.0,>=3.11"
 dependencies = [
     "astroid==3.3.11",
     "attrs==25.3.0",
-    "certifi==2025.7.14",
+    "certifi==2025.8.3",
     "charset-normalizer==3.4.2",
     "click==8.2.2",
     "dill==0.4.0",