V0.12.4 Released

@maptalks/gl

Fixes

• 因为shader缓存会导致依赖上下文的regl动态值出错，删去Shader缓存
• Because shader cache will lead to wrong value in regl's dynamic variable, remove shader cache

@maptalks/vt

Fixes

• 开启tile stencil时，将绘制过的stencil值设为0，解决数据重叠时的z-fighting
• When enabling tile stencil, set fragment's stencil to 0 to solve overlapping feature's z-fighting