build(deps): bump @pybricks/firmware

Bumps [@pybricks/firmware](https://github.com/pybricks/pybricks-micropython/tree/HEAD/npm/firmware) from 4.13.0-alpha.3 to 4.13.0-alpha.4.
- [Release notes](https://github.com/pybricks/pybricks-micropython/releases)
- [Changelog](https://github.com/pybricks/pybricks-micropython/blob/master/npm/firmware/CHANGELOG.md)
- [Commits](https://github.com/pybricks/pybricks-micropython/commits/HEAD/npm/firmware)

---
updated-dependencies:
- dependency-name: "@pybricks/firmware"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -10,7 +10,7 @@
     "dependencies": {
         "@blueprintjs/core": "^3.47.0",
         "@craco/craco": "^6.2.0",
-        "@pybricks/firmware": "4.13.0-alpha.3",
+        "@pybricks/firmware": "4.13.0-alpha.4",
         "@pybricks/ide-docs": "1.5.0",
         "@pybricks/mpy-cross-v5": "^2.0.0",
         "@shopify/react-i18n": "^6.1.6",