Update lodash version
"jshint": "^2.13.1",
"konva": "3.2.4",
"leaflet": "1.6.0",
- "lodash": "4.17.20",
+ "lodash": "4.17.21",
"material-icons": "^0.5.3",
"ngx-color-picker": "^11.0.0",
"ngx-echarts": "^8.0.1",
