Support up-to-date dependencies (firebase_storage)

## 🏗 Enhancement Proposal

This package does not support the latest major Firebase release.
From security and feature perspective flutter_cache_manager should be adjusted to support firebase_storage >= 13.0.0

未指定文件或测试。首先定位依赖声明和现有的 firebase_storage 兼容性点，然后检查该软件包当前的 Flutter 和 Firebase 约束；在支持 firebase_storage >= 13.0.0 且不破坏现有测试套件时，即视为完成。

由索引模型根据 Issue 内容生成。