chore: use working_directory instead of cd

Author: MoKamall

.circleci/config.yml

@@ -259,8 +259,9 @@ jobs:
  FLUTTER_GIT_URL: ssh://git@github.com/flutter/flutter.git
  command: flutter upgrade && flutter --version
  - run:
- name: Switch to Example app & Build app
- command: cd scripts && flutter build apk --debug
+ name: Build app
+ working_directory: example
+ command: flutter build apk --debug
 
  test_build_sample_ios:
  macos:
@@ -275,8 +276,9 @@ jobs:
  FLUTTER_GIT_URL: ssh://git@github.com/flutter/flutter.git
  command: flutter upgrade && flutter --version
  - run:
- name: Switch to Example app & Build app
- command: cd scripts && flutter build ios --simulator
+ name: Build app
+ working_directory: example
+ command: flutter build ios --simulator
 
  release:
  macos: