chore(deps): update nextjs monorepo to v15.1.6

Author: renovate[bot]

package.json

@@ -45,8 +45,8 @@
     "@mui/lab": "5.0.0-alpha.173",
     "@mui/material": "5.16.7",
     "@mui/styles": "5.16.7",
-    "@next/eslint-plugin-next": "15.0.3",
-    "@next/mdx": "15.0.3",
+    "@next/eslint-plugin-next": "15.1.6",
+    "@next/mdx": "15.1.6",
     "@rjsf/core": "5.22.3",
     "@rjsf/mui": "5.22.3",
     "@rjsf/utils": "5.22.3",
@@ -83,7 +83,7 @@
     "lodash-es": "4.17.21",
     "material-ui-popup-state": "5.3.1",
     "nanoid": "5.0.8",
-    "next": "15.0.3",
+    "next": "15.1.6",
     "next-http-proxy-middleware": "1.2.6",
     "nextjs-routes": "2.2.3",
     "node-fetch": "3.3.2",
@@ -102,7 +102,7 @@
     "yup": "1.4.0"
   },
   "devDependencies": {
-    "@next/bundle-analyzer": "15.0.3",
+    "@next/bundle-analyzer": "15.1.6",
     "@playwright/test": "1.48.2",
     "@squonk/eslint-config": "2.0.1",
     "dotenv": "16.4.5",