[go_router_builder] Remove Flutter SDK constraint (#3406)

[go_router_builder] Remove Flutter SDK constraint
diff --git a/packages/go_router_builder/CHANGELOG.md b/packages/go_router_builder/CHANGELOG.md
index 5f36062..57fd07f 100644
--- a/packages/go_router_builder/CHANGELOG.md
+++ b/packages/go_router_builder/CHANGELOG.md
@@ -1,6 +1,7 @@
-## NEXT
+## 1.1.5
 
-* Aligns Dart and Flutter SDK constraints.
+* Replaces unnecessary Flutter SDK constraint with corresponding Dart
+  SDK constraint.
 
 ## 1.1.4
 
@@ -50,7 +51,7 @@
 
 ## 1.0.10
 
-* Adds a lint ignore for deprecated member in the example. 
+* Adds a lint ignore for deprecated member in the example.
 
 ## 1.0.9
 
diff --git a/packages/go_router_builder/pubspec.yaml b/packages/go_router_builder/pubspec.yaml
index 96c5c17..999c4a0 100644
--- a/packages/go_router_builder/pubspec.yaml
+++ b/packages/go_router_builder/pubspec.yaml
@@ -2,13 +2,12 @@
 description: >-
   A builder that supports generated strongly-typed route helpers for
   package:go_router
-version: 1.1.4
+version: 1.1.5
 repository: https://github.com/flutter/packages/tree/main/packages/go_router_builder
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+go_router_builder%22
 
 environment:
   sdk: ">=2.18.0 <3.0.0"
-  flutter: ">=3.3.0"
 
 dependencies:
   analyzer: '>=4.4.0 <6.0.0'