The graphics component supports the opacity property of nodes

Use Case

Re： https://forum.cocos.org/t/topic/43328/45

Problem Description

If we want graphics to do transparency animation, currently we can only modify the fillColor and strokeColor in the update method of the animation and redraw it again, which is not only troublesome but also has poor performance.

Proposed Solution

No response

How it works

No response

Alternatives Considered

Thanks @yeling584283398 for your contribution

https://github.com/cocos/cocos-engine/pull/14858

Additional Information

No response