Earlier today, the PS4 version of Crash Bandicoot N. Sane Trilogy received a minor patch, numbered 1.0.7 (01.07) that includes a store link for Crash Team Racing: Nitro-Fueled. You can have a more technical look at the patch details for North America and Europe regions on PS4Database.io.

Thanks to SpyroUniverse for the tip and tj2gaming for the image!