chore(deps): bump the npm_and_yarn group across 2 directories with 2 …

…updates

Bumps the npm_and_yarn group with 2 updates in the / directory: [next](https://github.com/vercel/next.js) and [nanoid](https://github.com/ai/nanoid).
Bumps the npm_and_yarn group with 1 update in the /examples/nextjs-spa directory: [next](https://github.com/vercel/next.js).


Updates `next` from 14.2.10 to 14.2.21
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.10...v14.2.21)

Updates `nanoid` from 3.3.7 to 3.3.8
- [Release notes](https://github.com/ai/nanoid/releases)
- [Changelog](https://github.com/ai/nanoid/blob/main/CHANGELOG.md)
- [Commits](ai/nanoid@3.3.7...3.3.8)

Updates `next` from 15.0.3 to 15.1.2
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.10...v14.2.21)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: nanoid
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: next
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>

examples/nextjs-app-router/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@ory/nextjs": "*",
-    "next": "^15.0.3",
+    "next": "^14.2.21",
     "react": "^18",
     "react-dom": "^18"
   },

examples/nextjs-pages-router/package.json

@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "@ory/nextjs": "*",
-    "next": "^15.0.3",
+    "next": "^14.2.21",
     "react": "^18",
     "react-dom": "^18"
   },

examples/nextjs-spa/package.json

@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@next/font": "13.4.13",
-    "next": "15.0.3",
+    "next": "15.1.2",
     "react": "18.3.1",
     "react-dom": "18.3.1"
   },