CanvasKit version 0.28.0
[canvaskit] Deploy 0.28.0 to npm

Change-Id: Ia1f97a476816b7e9d5a7d994b41676fb21979783
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/419356
Reviewed-by: Kevin Lubick <kjlubick@google.com>
3 files changed