test(deps): update Next.js example to 15.5.2

[MikeMcC399]

Situation

Dependabot and npm audit report several moderate severity vulnerabilities in examples/nextjs using next@15.2.4, released March 24, 2025.

Change

Update to next@15.5.2 (current latest) and refresh other dependencies in examples/nextjs.

In examples/nextjs/next.config.mjs:

• Add outputFileTracingRoot to fix ⚠ Warning: Next.js inferred your workspace root, but it may not be correct. that is now output when running either npm run dev or npm start. By default, Next.js does not expect to be run in a monorepo with other unrelated projects at a higher level in the directory hierarchy. See https://nextjs.org/docs/app/api-reference/config/next-config-js/output#caveats.

• Add

  eslint: {
    // Warning: This allows production builds to successfully complete even if
    // your project has ESLint errors.
    ignoreDuringBuilds: true,
  },

Exclude examples/nextjs/build/ from linting in eslint.config.mjs

Verification

Execute:

npm ci
cd examples/nextjs
npm ci
npm audit # confirm "found 0 vulnerabilities"
npm run build # confirm no errors reported
npm start # confirm that server starts

In a separate terminal window:

npm test # confirm that Cypress runs successfully

In original terminal window, stop server (Ctrl-C), then:

npm run dev # confirm that server starts

Re-run Cypress test as above.

cd ../..
npx eslint # confirm no linting errors

[cypress-app-bot]

• Create a Draft Pull Request if your PR is not ready for review. Mark the PR as Ready for Review when you're ready for a Cypress team member to review the PR.

[github-actions]

🎉 This PR is included in version 6.10.3 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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