chore(deps): update dependency sharp to v0.28.0

Author: renovate-bot

package-lock.json

@@ -68,7 +68,7 @@
     "pkg": "4.5.1",
     "prettier": "2.2.1",
     "rimraf": "3.0.2",
-    "sharp": "0.27.2",
+    "sharp": "0.28.0",
     "svgexport": "0.4.1",
     "ts-jest": "26.5.4",
     "ts-loader": "8.0.18",