fix: update package versions for next and add concurrently dependency

package.json

@@ -1,6 +1,6 @@
 {
   "name": "panel",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "private": true,
   "type": "module",
   "scripts": {
@@ -26,7 +26,7 @@
     "jspdf": "^3.0.3",
     "jspdf-autotable": "^5.0.2",
     "leaflet": "^1.9.4",
-    "next": "15.1.8",
+    "next": "^15.1.9",
     "next-auth": "^5.0.0-beta.29",
     "node-fetch": "^3.3.2",
     "proj4": "^2.19.3",