[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>

modules/canvaskit/CHANGELOG.md

@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.28.0] - 2021-06-17
+
 ### Added
  - `Surface.makeImageFromTexture` and `Surface.makeImageFromTextureSource` as easy ways to provide
    CanvasKit with a WebGL texture and interact with WebGL texture sources (e.g. <video>)

modules/canvaskit/npm_build/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "canvaskit-wasm",
-  "version": "0.27.0",
+  "version": "0.28.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

modules/canvaskit/npm_build/package.json

@@ -1,6 +1,6 @@
 {
   "name": "canvaskit-wasm",
-  "version": "0.27.0",
+  "version": "0.28.0",
   "description": "A WASM version of Skia's Canvas API",
   "main": "bin/canvaskit.js",
   "homepage": "https://github.com/google/skia/tree/master/modules/canvaskit",