update all dependencies

package.json

@@ -4,63 +4,63 @@
   "license": "GPL-3.0-or-later",
   "dependencies": {},
   "devDependencies": {
-    "@babel/core": "^7.7.7",
-    "@babel/plugin-proposal-object-rest-spread": "^7.7.7",
-    "@babel/polyfill": "^7.7.0",
-    "@babel/preset-env": "^7.7.7",
-    "@babel/preset-react": "^7.7.4",
-    "babel-eslint": "^10.0.3",
-    "babel-loader": "^8.0.6",
-    "case-sensitive-paths-webpack-plugin": "^2.2.0",
+    "@babel/core": "^7.9.0",
+    "@babel/plugin-proposal-object-rest-spread": "^7.9.5",
+    "@babel/polyfill": "^7.8.7",
+    "@babel/preset-env": "^7.9.5",
+    "@babel/preset-react": "^7.9.4",
+    "babel-eslint": "^10.1.0",
+    "babel-loader": "^8.1.0",
+    "case-sensitive-paths-webpack-plugin": "^2.3.0",
     "clean-webpack-plugin": "^3.0.0",
-    "css-loader": "^3.4.0",
+    "css-loader": "^3.5.2",
     "cssnano": "^4.1.10",
     "dotenv": "^8.2.0",
     "dotenv-expand": "^5.1.0",
     "dotenv-webpack": "^1.7.0",
     "eslint": "^6.8.0",
-    "eslint-config-airbnb": "^18.0.1",
-    "eslint-config-react-app": "^5.1.0",
-    "eslint-loader": "^3.0.3",
-    "eslint-plugin-flowtype": "^4.5.3",
-    "eslint-plugin-import": "^2.19.1",
+    "eslint-config-airbnb": "^18.1.0",
+    "eslint-config-react-app": "^5.2.1",
+    "eslint-loader": "^4.0.0",
+    "eslint-plugin-flowtype": "^4.7.0",
+    "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-jsx-a11y": "^6.2.1",
-    "eslint-plugin-react": "^7.17.0",
-    "file-loader": "^5.0.2",
+    "eslint-plugin-react": "^7.19.0",
+    "file-loader": "^6.0.0",
     "history": "^4.9.0",
-    "html-webpack-plugin": "^3.2.0",
+    "html-webpack-plugin": "^4.2.0",
     "jwt-decode": "^2.2.0",
     "leaflet": "^1.6.0",
     "leaflet-draw": "^1.0.4",
     "lodash": "^4.17.15",
     "mini-css-extract-plugin": "^0.9.0",
     "moment": "^2.24.0",
     "offline-plugin": "^5.0.7",
-    "postcss": "^7.0.26",
+    "postcss": "^7.0.27",
     "postcss-loader": "^3.0.0",
     "postcss-remove-google-fonts": "^1.1.2",
-    "promise": "^8.0.3",
+    "promise": "^8.1.0",
     "prop-types": "^15.7.2",
-    "react": "^16.12.0",
-    "react-dev-utils": "^10.0.0",
-    "react-dom": "^16.12.0",
+    "react": "^16.13.1",
+    "react-dev-utils": "^10.2.1",
+    "react-dom": "^16.13.1",
     "react-image-lightbox": "^5.1.1",
-    "react-leaflet": "^2.6.1",
+    "react-leaflet": "^2.6.3",
     "react-leaflet-draw": "^0.19.0",
-    "react-markdown": "^4.2.2",
+    "react-markdown": "^4.3.1",
     "react-moment": "^0.9.7",
     "react-router": "^5.1.2",
     "react-router-dom": "^5.1.2",
     "react-twitter-auth": "0.0.13",
-    "resolve": "^1.11.0",
+    "resolve": "^1.15.1",
     "semantic-ui-css": "^2.4.1",
     "semantic-ui-react": "^0.88.2",
-    "style-loader": "^1.1.2",
+    "style-loader": "^1.1.3",
     "uglifyjs-webpack-plugin": "^2.2.0",
-    "url-loader": "^3.0.0",
-    "webpack": "^4.41.5",
-    "webpack-cli": "^3.3.10",
-    "webpack-dev-server": "^3.10.1",
+    "url-loader": "^4.1.0",
+    "webpack": "^4.42.1",
+    "webpack-cli": "^3.3.11",
+    "webpack-dev-server": "^3.10.3",
     "webpack-manifest-plugin": "^2.0.3",
     "webpack-merge": "^4.2.1",
     "whatwg-fetch": "^3.0.0"