chore(deps): update actions/upload-artifact action to v4.3.0 (#946)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/upload-artifact](https://togithub.com/actions/upload-artifact)
| action | minor | `v4.2.0` -> `v4.3.0` |

---

### Release Notes

<details>
<summary>actions/upload-artifact (actions/upload-artifact)</summary>

###
[`v4.3.0`](https://togithub.com/actions/upload-artifact/releases/tag/v4.3.0)

[Compare
Source](https://togithub.com/actions/upload-artifact/compare/v4.2.0...v4.3.0)

##### What's Changed

- Reorganize upload code in prep for merge logic & add more tests by
[@&#8203;robherley](https://togithub.com/robherley) in
[actions/upload-artifact#504
- Add sub-action to merge artifacts by
[@&#8203;robherley](https://togithub.com/robherley) in
[actions/upload-artifact#505

**Full Changelog**:
actions/upload-artifact@v4...v4.3.0

</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 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 [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/openapi-generators/openapi-python-client).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4xMzUuMCIsInVwZGF0ZWRJblZlciI6IjM3LjEzNS4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiJ9-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/checks.yml

@@ -67,7 +67,7 @@ jobs:
         if: matrix.os == 'ubuntu-latest'
 
       - name: Store coverage report
-        uses: actions/upload-artifact@v4.2.0
+        uses: actions/upload-artifact@v4.3.0
         if: matrix.os == 'ubuntu-latest'
         with:
           name: coverage-${{ matrix.python }}
@@ -109,7 +109,7 @@ jobs:
           .venv/bin/python -m coverage report --fail-under=100          
 
       - name: Upload HTML report if check failed.
-        uses: actions/upload-artifact@v4.2.0
+        uses: actions/upload-artifact@v4.3.0
         with:
           name: html-report
           path: htmlcov