next.js

b16f604a - CNA: prompt enable turbopack value to true (#72616)

CNA: prompt enable turbopack value to true (#72616) ### Why? Since Turbopack for dev is stable for v15, enable the prompt value to true. Closes NDX-461 x-ref: [slack-thread](https://vercel.slack.com/archives/C03KAR5DCKC/p1731083893866479)