Fix dependency conflict by setting intl to any and switch to stable Flutter SDK

Dockerfile

@@ -11,8 +11,8 @@ RUN useradd -m -u 1000 flutteruser
 USER flutteruser
 WORKDIR /home/flutteruser
 
-# 下载并安装 Flutter SDK (深度为 1 减小体积)
-RUN git clone --depth 1 https://github.com/flutter/flutter.git /home/flutteruser/flutter
+# 下载并安装 Flutter SDK (使用 stable 分支更稳)
+RUN git clone --depth 1 --branch stable https://github.com/flutter/flutter.git /home/flutteruser/flutter
 ENV PATH="/home/flutteruser/flutter/bin:/home/flutteruser/flutter/bin/cache/dart-sdk/bin:${PATH}"
 
 # 禁用分析并配置仅 Web 支持，避免下载 Gradle/Android 等无关组件

pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
     sdk: flutter
   flutter_localizations:
     sdk: flutter
-  intl: ^0.19.0
+  intl: any
 
 dev_dependencies:
   flutter_test: