Leakers ... and the tech press reporting on Gelsinger's comments ... albeit machine translated from a Chinese News Source:
Intel CEO confirms the use of TSMC N3 process node for next-gen Arrow Lake & N3B node for its Lunar Lake CPUs launching later this year.
wccftech.com
Possibly things got misconstrued or lost in translation, but combined with leaks from last year, which were pretty substantive, that's the best evidence we have for what node Intel plans to use. Could be wrong of course, but ... unless you have a better line evidence, that seems the most likely no?