chore: bump up multer version to v2 (#12374)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [multer](https://redirect.github.com/expressjs/multer) | [`^1.4.5-lts.1` -> `^2.0.0`](https://renovatebot.com/diffs/npm/multer/1.4.5-lts.2/2.0.0) | [![age](https://developer.mend.io/api/mc/badges/age/npm/multer/2.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/multer/2.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/multer/1.4.5-lts.2/2.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/multer/1.4.5-lts.2/2.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>expressjs/multer (multer)</summary>

### [`v2.0.0`](https://redirect.github.com/expressjs/multer/releases/tag/v2.0.0)

[Compare Source](https://redirect.github.com/expressjs/multer/compare/v1.4.5-lts.2...v2.0.0)

#### Important

-   **Breaking change: The minimum supported Node version is now 10.16.0**
-   Fix [CVE-2025-47935](https://www.cve.org/CVERecord?id=CVE-2025-47935) ([GHSA-44fp-w29j-9vj5](https://redirect.github.com/expressjs/multer/security/advisories/GHSA-44fp-w29j-9vj5))
-   Fix [CVE-2025-47944](https://www.cve.org/CVERecord?id=CVE-2025-47944) ([GHSA-4pg4-qvpc-4q3h](https://redirect.github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h))

#### What's Changed

-   🐛 drain stream. fixes regression in node 18, remove old CI, set minimum node version, fix readme badges, add .npmrc
-   fix: handle two busboy error events
-   ♻️ fully drain stream
-   🥅 explicitly handle req error
-   🚨 lint:fix
-   ⬆️ bump mocha
-   docs: include release 2.0.0 details

</details>

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### Configuration

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♻ **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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packages/frontend/media-capture-playground/package.json

@@ -22,7 +22,7 @@
     "express-rate-limit": "^7.1.5",
     "fs-extra": "^11.3.0",
     "lodash-es": "^4.17.21",
-    "multer": "^1.4.5-lts.1",
+    "multer": "^2.0.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-markdown": "^10.0.0",