chore: Upgrade Flutter to 3.35.6

Author: dependabot[bot]

pubspec.yaml

@@ -8,7 +8,7 @@ version: 1.0.0+1
 
 environment:
   sdk: ">=3.3.4 <4.0.0"
-  flutter: '3.35.4'
+  flutter: '3.35.6'
 
 dependencies:
   flutter: