@antv/g-canvas@0.1.0-beta.12

• 🐞 [g-canvas] Fix that bbox calculation is not correct for path when angle is null, 0 and PI. #254

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• 🐞 [g-canvas] 修复 path 的夹角为空、0 和 PI 时，包围盒计算不正确的问题。#254