Merge pull request #75 from SuperMap/dependabot/npm_and_yarn/image-size-0.8.3

Bump image-size from 0.6.3 to 0.8.3

Author: songyumeng

package.json

@@ -78,7 +78,7 @@
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
     "file-loader": "^4.2.0",
     "get-pixels": "^3.3.0",
-    "image-size": "^0.6.1",
+    "image-size": "^0.8.3",
     "imports-loader": "^0.8.0",
     "istanbul": "^0.4.5",
     "jasmine-core": "^2.5.2",