build: update constraints to dart 3

Author: deandreamatias

example/pubspec.lock

@@ -107,10 +107,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      sha256: "6b0206b0bf4f04961fc5438198ccb3a885685cd67d4d4a32cc20ad7f8adbe015"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.0"
   matcher:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -4,7 +4,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.19.0 <3.0.0"
+  sdk: '>=3.0.0 <4.0.0'
   flutter: ">=3.10.0"
 
 dependencies:

pubspec.lock

@@ -87,10 +87,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "5e4a9cd06d447758280a8ac2405101e0e2094d2a1dbdd3756aec3fe7775ba593"
+      sha256: "6b0206b0bf4f04961fc5438198ccb3a885685cd67d4d4a32cc20ad7f8adbe015"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.0"
   matcher:
     dependency: transitive
     description:
@@ -185,5 +185,5 @@ packages:
     source: hosted
     version: "2.1.4"
 sdks:
-  dart: ">=3.0.0-0 <4.0.0"
+  dart: ">=3.0.0 <4.0.0"
   flutter: ">=3.10.0"

pubspec.yaml

@@ -8,7 +8,7 @@ funding:
   - https://opencollective.com/flutter-form-builder-ecosystem
 
 environment:
-  sdk: ">2.19.0 <3.0.0"
+  sdk: '>=3.0.0 <4.0.0'
   flutter: ">=3.10.0"
 
 dependencies: