Material 3 Expressive

### Feature Description

As google is developing the all new material 3 expressive https://m3.material.io/blog/building-with-m3-expressive, is there any plans for angular material to use material 3 expressive, will it be a option to toggle expressive on or off, or it will be default and only option available, knowing this can help us for future migration of our projects

未指定任何文件、测试或入口点。首先阅读链接的 Material 3 Expressive 文章和 Angular Material 项目背景，然后确定项目是否需要进行迁移或作出设计决策；要视为完成，必须由 maintainer 明确说明支持范围和切换行为。

由索引模型根据 Issue 内容生成。