chore: upgarde dart sdk version to 2.17.0

frontend/app_flowy/packages/appflowy_board/example/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: ">=2.17.6 <3.0.0"
+  sdk: ">=2.17.0 <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

frontend/app_flowy/packages/appflowy_popover/example/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: ">=2.17.6 <3.0.0"
+  sdk: ">=2.17.0 <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

frontend/app_flowy/packages/appflowy_popover/pubspec.yaml

@@ -4,7 +4,7 @@ version: 0.0.1
 homepage:
 
 environment:
-  sdk: ">=2.17.6 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
   flutter: ">=1.17.0"
 
 dependencies:

frontend/app_flowy/pubspec.lock

@@ -1494,5 +1494,5 @@ packages:
     source: hosted
     version: "8.1.0"
 sdks:
-  dart: ">=2.17.6 <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: ">=2.16.2 <3.0.0"
+  sdk: ">=2.17.0 <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