fix: Webpacker issues && Bump some dependencies

package.json

@@ -7,28 +7,25 @@
     "@decidim/elections": "file:packages/elections",
     "@decidim/webpacker": "file:packages/webpacker",
     "@rails/webpacker": "^6.0.0-rc.6",
-    "codemirror": "^5.65.3",
+    "codemirror": "^5.65.9",
     "europa": "^4.0.0",
     "form-storage": "^1.3.5",
     "formBuilder": "^3.8.3",
-    "graphql-ws": "^5.14.0",
-    "highlight.js": "^11.5.1",
+    "graphql-ws": "^5.11.2",
+    "highlight.js": "^11.6.0",
     "inline-attachment": "^2.0.3",
     "inscrybmde": "^1.11.6",
-    "jquery-ui": "^1.13.1",
+    "jquery-ui": "^1.13.2",
     "jsrender": "^1.0.11",
+    "leaflet": "^1.3.4",
     "leaflet.featuregroup.subgroup": "^1.0.2",
+    "leaflet.markercluster": "^1.5.3",
     "proj4leaflet": "^1.0.2",
     "select2": "^4.1.0-rc.0",
     "webpack": "^5.51.1",
     "webpack-cli": "^4.8.0"
   },
   "version": "0.1.0",
-  "babel": {
-    "presets": [
-      "./node_modules/@rails/webpacker/package/babel/preset.js"
-    ]
-  },
   "browserslist": [
     "extends @decidim/browserslist-config"
   ],
@@ -37,6 +34,11 @@
     "@decidim/eslint-config": "file:packages/eslint-config",
     "@decidim/stylelint-config": "file:packages/stylelint-config",
     "@webpack-cli/serve": "^1.7.0",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-config-standard": "^11.0.0",
+    "eslint-plugin-import": "^2.26.0",
+    "stylelint": "^13.11.0",
     "webpack-dev-server": "^4.11.1"
   }
 }