chore: update flutter sdk version

Author: appflowy

.github/workflows/dart_test.yml

@@ -25,6 +25,7 @@ jobs:
       - uses: subosito/flutter-action@v2
         with:
           channel: 'stable'
+          flutter-version: '3.0.0'
           cache: true
 
       - name: Cache Cargo

frontend/app_flowy/pubspec.lock

@@ -1410,5 +1410,5 @@ packages:
     source: hosted
     version: "8.1.0"
 sdks:
-  dart: ">=2.17.1 <3.0.0"
+  dart: ">=2.17.0 <3.0.0"
   flutter: ">=3.0.0"

frontend/app_flowy/pubspec.yaml

@@ -18,7 +18,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.17.1 <3.0.0"
+  sdk: ">=2.16.2 <3.0.0"
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions