Update Node.js to v22.15.0

Author: renovate[bot]

frontend.Dockerfile

@@ -1,5 +1,5 @@
 # renovate: datasource=node depName=node
-ARG NODE_VERSION=22.14.0
+ARG NODE_VERSION=22.15.0
 
 FROM node:${NODE_VERSION}-alpine
 

package.json

@@ -170,13 +170,13 @@
     ]
   },
   "engines": {
-    "node": "22.14.0",
+    "node": "22.15.0",
     "pnpm": "10.9.0"
   },
   "ember": {
     "edition": "octane"
   },
   "volta": {
-    "node": "22.14.0"
+    "node": "22.15.0"
   }
 }