Fix "Deploy to Firebase Hosting on PR" errors

[noah-22]

Errors:
https://github.com/FastLane-401/FastLane/runs/5630485284?check_suite_focus=true

ERROR in ./node_modules/react-native-fs/FS.common.js 30:29
Module parse failed: Unexpected token (30:29)
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
| ***;
| 
> var normalizeFilePath = (path: string) => (path.startsWith('file://') ? path.slice(7) : path);
| 
| type MkdirOptions = ***
 @ ./src/App.js 1:4047-4073 1:69[67](https://github.com/FastLane-401/FastLane/runs/5630485284?check_suite_focus=true#step:3:67)-[69](https://github.com/FastLane-401/FastLane/runs/5630485284?check_suite_focus=true#step:3:69)93
 @ ./index.web.js 1:209-229

ERROR in 
/home/runner/work/FastLane/FastLane/src/App.js
   17:10  error  'isListening' is assigned a value but never used         no-unused-vars
   19:10  error  'partialResults' is assigned a value but never used      no-unused-vars
   20:10  error  'error' is assigned a value but never used               no-unused-vars
   21:10  error  'read' is assigned a value but never used                no-unused-vars
  110:9   error  '_cancelRecognizing' is assigned a value but never used  no-unused-vars
  118:9   error  '_destroyRecognizer' is assigned a value but never used  no-unused-vars
  131:9   error  '_readVoiceLog' is assigned a value but never used       no-unused-vars
  189:9   error  No duplicate props allowed                               react/jsx-no-duplicate-props
  289:3   error  Newline required at end of file but not found            eol-last