Update dependency dart to v3 (#218)

renovate[bot] · web-flow · commit 3c3ef76398f9 · 2023-09-15T10:58:00.000+07:00
diff --git a/packages/api/pubspec.yaml b/packages/api/pubspec.yaml
@@ -1,7 +1,7 @@
 name: the_api
 
 environment:
-  sdk: ">=2.18.4 <3.0.0"
+  sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
   async:
diff --git a/packages/api_test/pubspec.yaml b/packages/api_test/pubspec.yaml
@@ -1,7 +1,7 @@
 name: the_api_test
 
 environment:
-  sdk: ">=2.18.4 <3.0.0"
+  sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
   archive: ^3.3.7
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -5,7 +5,7 @@ publish_to: none
 
 environment:
   flutter: 3.13.4
-  sdk: ">=2.18.4 <3.0.0"
+  sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
   # firebase
