chore(deps): update actions/upload-artifact action to v7 (#28)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/upload-artifact](https://github.com/actions/upload-artifact) | action | major | `v4` -> `v7` |

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### Release Notes

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

### [`v7`](https://github.com/actions/upload-artifact/compare/v6...v7)

[Compare Source](https://github.com/actions/upload-artifact/compare/v6...v7)

### [`v6`](https://github.com/actions/upload-artifact/compare/v5...v6)

[Compare Source](https://github.com/actions/upload-artifact/compare/v5...v6)

### [`v5`](https://github.com/actions/upload-artifact/compare/v4...v5)

[Compare Source](https://github.com/actions/upload-artifact/compare/v4...v5)

</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.

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

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This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Reviewed-on: #28
Co-authored-by: APF Portal Bot <jgautier.webdev+apf-portal-bot@gmail.com>
Co-committed-by: APF Portal Bot <jgautier.webdev+apf-portal-bot@gmail.com>

.gitea/workflows/ci.yml

@@ -118,7 +118,7 @@ jobs:
           node-version-file: '.nvmrc'
       - run: pnpm install --frozen-lockfile
       - run: pnpm ci:perf
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: lighthouseci-report

.gitea/workflows/security-scheduled.yml

@@ -48,7 +48,7 @@ jobs:
       - run: pnpm install --frozen-lockfile
       - run: pnpm exec lhci collect --url=${{ vars.LHCI_PROD_URL }} --numberOfRuns=3
       - run: pnpm exec lhci assert --config=./lighthouserc.js
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: lighthouseci-prod-report