Update package-lock.json

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "air-quality-mapper",
-  "version": "0.1.0",
+  "version": "0.9.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1370,8 +1370,7 @@
     "heatmap.js": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/heatmap.js/-/heatmap.js-2.0.5.tgz",
-      "integrity": "sha1-Rm07hlE/XUkRKknSVwCrJzAUkVM=",
-      "dev": true
+      "integrity": "sha1-Rm07hlE/XUkRKknSVwCrJzAUkVM="
     },
     "hex-color-regex": {
       "version": "1.1.0",
@@ -1715,7 +1714,6 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/leaflet-heatmap/-/leaflet-heatmap-1.0.0.tgz",
       "integrity": "sha1-g8wEJJ057ZFSauqn12ab2qhtax8=",
-      "dev": true,
       "requires": {
         "heatmap.js": "*",
         "leaflet": "*"