chore(deps): bump actions/upload-artifact from 3 to 4 (#5719)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build-mobile.yml

@@ -69,7 +69,7 @@ jobs:
           flutter build apk --release --split-per-abi --target-platform android-arm,android-arm64,android-x64
 
       - name: Publish Android Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release-apk-signed
           path: mobile/build/app/outputs/flutter-apk/*.apk