Bump serialport from 8.0.7 to 9.0.0 in /app

Bumps [serialport](https://github.com/serialport/node-serialport) from 8.0.7 to 9.0.0.
- [Release notes](https://github.com/serialport/node-serialport/releases)
- [Changelog](https://github.com/serialport/node-serialport/blob/master/CHANGELOG.md)
- [Commits](https://github.com/serialport/node-serialport/compare/@serialport/bindings@8.0.7...@serialport/bindings@9.0.0)

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

app/package.json

@@ -41,7 +41,7 @@
   },
   "optionalDependencies": {
     "macos-native-processlist": "^1.0.2",
-    "serialport": "^8.0.7",
+    "serialport": "^9.0.0",
     "windows-blurbehind": "^1.0.1",
     "windows-native-registry": "^1.0.17",
     "windows-process-tree": "^0.2.4",