[go_router_builder] Tweaks for latest analyzer-6.5.0 (#6632)

This PR slightly tweaks `go_router_builder` to work with `analyzer-6.5.0` and unblock post-submit [errors](https://github.com/flutter/packages/runs/24440595710).

## Issues

* Should fix failing tests after this merge: flutter/packages#6631

Author: ditman

packages/go_router_builder/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 2.6.1
+
+* Fixes typo in `durationDecoderHelperName`.
+* Updates development dependency to `dart_style-2.3.6` (compatible with `analyzer-6.5.0`).
+
 ## 2.6.0
 
 * Adds support for passing observers to the StatefulShellBranch for the nested Navigator.

packages/go_router_builder/lib/src/type_helpers.dart

@@ -16,7 +16,7 @@ const String convertMapValueHelperName = r'_$convertMapValue';
 
 /// The name of the generated, private helper for converting [Duration] to
 /// [bool].
-const String durationDecoderHelperName = r'_$duractionConverter';
+const String durationDecoderHelperName = r'_$durationConverter';
 
 /// The name of the generated, private helper for converting [String] to [Enum].
 const String enumExtensionHelperName = r'_$fromName';
@@ -91,6 +91,7 @@ String enumMapName(InterfaceType type) => '_\$${type.element.name}EnumMap';
 
 String _stateValueAccess(ParameterElement element, Set<String> pathParameters) {
   if (element.isExtraField) {
+    // ignore: avoid_redundant_argument_values
     return 'extra as ${element.type.getDisplayString(withNullability: true)}';
   }
 

packages/go_router_builder/pubspec.yaml

@@ -2,7 +2,7 @@ name: go_router_builder
 description: >-
   A builder that supports generated strongly-typed route helpers for
   package:go_router
-version: 2.6.0
+version: 2.6.1
 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
 
@@ -23,7 +23,7 @@ dependencies:
 
 dev_dependencies:
   build_test: ^2.1.7
-  dart_style: 2.3.2
+  dart_style: 2.3.6
   flutter:
     sdk: flutter
   go_router: ^10.0.0