chore(deps): update nextjs monorepo to v15

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "@typescript-eslint/parser": "8.45.0",
     "@babel/eslint-parser": "7.28.4",
     "common-tags": "1.8.2",
-    "create-next-app": "13.4.19",
+    "create-next-app": "15.5.4",
     "eslint": "8.57.1",
     "eslint-config-react-app": "7.0.1",
     "eslint-plugin-flowtype": "8.0.3",
@@ -47,7 +47,7 @@
     "eslint-plugin-react-hooks": "6.1.1",
     "folder-hash": "4.1.1",
     "jest": "28.1.3",
-    "next": "13.4.19",
+    "next": "15.5.4",
     "prettier": "2.8.8",
     "react": "19.2.0",
     "react-dom": "19.2.0",
@@ -58,6 +58,6 @@
   },
   "peerDependencies": {
     "react": "^16.8 || ^17 || ^18.0.0 || ^19.0.0",
-    "next": "^9.3 || ^10 || ^11.0.0 || ^12.0.0 || ^13.0.0"
+    "next": "^9.3 || ^10 || ^11.0.0 || ^12.0.0 || ^13.0.0 || ^15.0.0"
   }
 }