Flutter – The lower bound of "sdk: '>=2.0.0-dev.68.0 <3.0.0'" must be 2.12.0 or higher to enable null safety

I upgrade my Flutter and I find some errors

the versions now are as below:

Flutter 3.10.6
Dart 3.0.6
DevTools 2.23.1

and when I run flutter pub get I see the message below:

The current Dart SDK version is 3.0.6.

Because flutter_app depends on flutter_staggered_grid_view >=0.1.1 <0.4.0-nullsafety.1 which doesn’t support null safety, version solving failed.

The lower bound of "sdk: ‘>=1.19.0 <3.0.0’" must be 2.12.0 or higher to enable null safety.
For details, see https://dart.dev/null-safety
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Process finished with exit code 1

pubspic.yml

name: Flutter App
description: A new Flutter project.
    version: 1.0.0+1

environment:
  sdk: ">=2.12.0 <3.0.0"


dependencies:
  flutter:
    sdk: flutter
  shared_preferences: ^2.0.15
  provider: ^6.0.3
  flutter_svg: ^1.1.4
  image_picker: ^0.8.6
  flutter_launcher_icons: ^0.9.2
  smooth_page_indicator: ^1.0.0+2
  carousel_slider: ^4.1.1
  firebase_core: ^1.20.1
  cloud_firestore: ^3.4.4
  firebase_auth: ^3.6.3
  flutter_facebook_auth: ^4.4.1
  google_sign_in: ^5.4.1
  flutter_iconly: ^1.0.2
  flutter_local_notifications: ^9.6.1
  loader_overlay: ^2.0.7
  flutter_spinkit: ^5.1.0
  get:
  lottie:
  json_annotation:
  google_fonts: ^2.3.1
  flutter_secure_storage: ^5.0.2
  flutter_staggered_grid_view: ^0.3.2
  edge_alerts: ^0.0.1
  mongo_dart: ^0.7.4+1
  easy_localization: ^3.0.2-dev
  geoflutterfire: ^3.0.3
  flutter_native_image: ^0.0.6+1
  firebase_storage: ^10.3.6
  firebase_messaging: ^12.0.3
  flutter_shapes:
  crypt:
  progress_dialog:
  cached_network_image: ^3.2.1


  cupertino_icons: ^1.0.2

dev_dependencies:
  firebase_core_platform_interface: 4.5.1
  flutter_test:
    sdk: flutter

  flutter_lints: ^1.0.0


flutter:
  uses-material-design: true

  assets:
    - assets/icons/
    - assets/icons/account_icons/
    - assets/icons/departments/
    - assets/images/
    - assets/animations/