ci(workflow): 更新 Flutter 版本至 3.24.0

将 GitHub Actions 工作流中的 Flutter 版本从 3.19.0 升级到 3.24.0，以使用最新的稳定版功能

Author: shadowfish07

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Flutter
         uses: subosito/flutter-action@v2
         with:
-          flutter-version: "3.19.0"
+          flutter-version: "3.24.0"
           channel: "stable"
 
       - name: Get dependencies