chore: update package.json

Author: tangjinzhou

package.json

@@ -147,7 +147,7 @@
         "stylelint": "^13.0.0",
         "stylelint-config-prettier": "^8.0.0",
         "stylelint-config-standard": "^19.0.0",
-        "terser-webpack-plugin": "^2.3.1",
+        "terser-webpack-plugin": "^3.0.3",
         "through2": "^3.0.0",
         "url-loader": "^3.0.0",
         "vue": "^2.6.11",