Bump the npm_and_yarn group across 5 directories with 1 update

Bumps the npm_and_yarn group with 1 update in the /demos/frontend/03_wallets_ping directory: [next](https://github.com/vercel/next.js).
Bumps the npm_and_yarn group with 1 update in the /demos/frontend/04_wallets_tx directory: [next](https://github.com/vercel/next.js).
Bumps the npm_and_yarn group with 1 update in the /demos/frontend/05_serialize_custom_data directory: [next](https://github.com/vercel/next.js).
Bumps the npm_and_yarn group with 1 update in the /demos/frontend/06_serialize_custom_data_II directory: [next](https://github.com/vercel/next.js).
Bumps the npm_and_yarn group with 1 update in the /demos/frontend/07_create_dapp_cli directory: [next](https://github.com/vercel/next.js).


Updates `next` from 14.1.1 to 14.2.12
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.1...v14.2.12)

Updates `next` from 14.1.1 to 14.2.12
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.1...v14.2.12)

Updates `next` from 14.1.1 to 14.2.12
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.1...v14.2.12)

Updates `next` from 14.1.1 to 14.2.12
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.1...v14.2.12)

Updates `next` from 14.1.1 to 14.2.12
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.1...v14.2.12)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: next
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: next
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: next
  dependency-type: direct:production
  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>

demos/frontend/03_wallets_ping/package.json

@@ -14,7 +14,7 @@
     "@solana/wallet-adapter-react-ui": "^0.9.6",
     "@solana/wallet-adapter-wallets": "^0.19.32",
     "@solana/web3.js": "^1.37.0",
-    "next": "^14.1.1",
+    "next": "^14.2.12",
     "react": "18.0.0",
     "react-dom": "18.0.0"
   },