useCSSModule should be renamed "useCssModule"

`useCSSModule` in @vue/composition-api is known as `useCssModule` in vue3.

Will it be renamed? And there will be a `breaking change` if someone does that.

[vue-next repo](https://github.com/vuejs/vue-next/blob/5d825f318f1c3467dd530e43b09040d9f8793cce/packages/runtime-dom/src/helpers/useCssModule.ts)