chore(deps): Update dependency python to v3.14.3 (#866)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [python](https://redirect.github.com/actions/python-versions) | uses-with | patch | `3.14.2` -> `3.14.3` |

---

### Release Notes

<details>
<summary>actions/python-versions (python)</summary>

### [`v3.14.3`](https://redirect.github.com/actions/python-versions/releases/tag/3.14.3-21673711214): 3.14.3

[Compare Source](https://redirect.github.com/actions/python-versions/compare/3.14.2-20014991423...3.14.3-21673711214)

Python 3.14.3

</details>

---

### Configuration

📅 **Schedule**: Branch creation - Between 12:00 AM and 03:59 AM, on day 1 of the month ( * 0-3 1 * * ) (UTC), Automerge - At any time (no schedule defined).

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

♻ **Rebasing**: Whenever PR becomes conflicted, 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://redirect.github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MC4yMi4xIiwidXBkYXRlZEluVmVyIjoiNDAuMjIuMSIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiYXV0b21lcmdlIl19-->

Author: cq-bot

.github/workflows/lint_test.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: 3.14.2
+          python-version: 3.14.3
 
       - name: Set up chart-testing
         uses: helm/chart-testing-action@v2.8.0