Support Next.js 15 for Component Testing

[MikeMcC399]

What would you like?

Support Next.js 15 for Component Testing when React 19 is released.

• This goes hand-in-hand with issue Support React 19 in Component Testing #29470

Why is this needed?

Next.js 15 was announced on Oct 21, 2024 as stable, however it currently depends on React 19 RC.

Other

$ npm view next version
15.0.3

React 19 is currently available only as an RC version.

$ npm view react dist-tags
{
  latest: '18.3.1',
  beta: '19.0.0-beta-26f2496093-20240514',
  experimental: '0.0.0-experimental-b01722d5-20241114',
  canary: '19.0.0-rc-b01722d5-20241114',
  next: '19.0.0-rc-b01722d5-20241114',
  rc: '19.0.0-rc-b01722d5-20241114'
}

See https://docs.cypress.io/app/component-testing/get-started#Supported-Frameworks