upgrade app dependencies

app/package.json

@@ -13,19 +13,19 @@
     "vuetify": "^2.1.0"
   },
   "devDependencies": {
-    "@material-icons/svg": "^0.0.1",
-    "@vue/cli-plugin-babel": "~4.2.0",
-    "@vue/cli-plugin-eslint": "~4.2.0",
-    "@vue/cli-service": "~4.2.0",
-    "axios": "^0.19.2",
+    "@material-icons/svg": "^1.0.5",
+    "@vue/cli-plugin-babel": "~4.5.6",
+    "@vue/cli-plugin-eslint": "~4.5.6",
+    "@vue/cli-service": "~4.5.6",
+    "axios": "^0.20.0",
     "babel-eslint": "^10.0.3",
-    "compression-webpack-plugin": "^3.1.0",
+    "compression-webpack-plugin": "^6.0.2",
     "countries-and-timezones": "^2.2.0",
     "countries-list": "^2.5.4",
-    "eslint": "^6.7.2",
-    "eslint-plugin-vue": "^6.1.2",
+    "eslint": "^7.10.0",
+    "eslint-plugin-vue": "^7.0.0",
     "sass": "^1.19.0",
-    "sass-loader": "^8.0.0",
+    "sass-loader": "^10.0.2",
     "vue-cli-plugin-vuetify": "~2.0.4",
     "vue-moment": "^4.1.0",
     "vue-router": "^3.1.5",