提供spine可被自定义顶点数据格式的方法

[NorhsArk]

[github-actions[bot]]

Code Size Check Report

Wechat (WASM)	Before	After	Diff
2D Empty (legacy pipeline)	1002411 bytes	1002411 bytes	✅ 0 bytes
2D All (legacy pipeline)	2663845 bytes	2664241 bytes	⚠️ +396 bytes
2D All (new pipeline)	2751265 bytes	2751661 bytes	⚠️ +396 bytes
(2D + 3D) All	10004545 bytes	10004939 bytes	⚠️ +394 bytes

Web (WASM + ASMJS)	Before	After	Diff
(2D + 3D) All	16917045 bytes	16917439 bytes	⚠️ +394 bytes

Interface Check Report

! WARNING this pull request has changed these public interfaces:

@@ -70480,8 +70480,9 @@
             model: _cocos_spine_skeleton_cache__SpineModel;
             boneInfos: _cocos_spine_skeleton_cache__FrameBoneInfo[];
         }
         export class _cocos_spine_skeleton_cache__AnimationCache {
+            static customVfmts(customizedOneColorVfmt: gfx.Attribute[], customizedTwoColorVfmt: gfx.Attribute[]): void;
             protected _instance: sp.spine.SkeletonInstance | null;
             protected _state: sp.spine.AnimationState;
             protected _skeletonData: sp.spine.SkeletonData;
             protected _skeleton: sp.spine.Skeleton;

[bofeng-song]

@NorhsArk Could you upload you demo? At this PR, it doesn`t inlude native's modify. This will result in inconsistencies between native and web implementations.