If you're replying to me, I'd be fine with being wrong on that, but it's been widely published by both Toyota and the professional reviewers in all of the "new for 2019" materials and articles for the 4Runner TRDPs.

Toyota material
"The front Fox shocks are paired with TRD-tuned coil springs, and the combination provides an additional 1 inch of front lift for improved trail-tackling capability. "

Zach Butler with TFLTruck
"Mechanically, the TRD Pro gets a 1-inch lift and wheel travel over standard models."

The Car Guide
"The TRD Pro now receives 2.5-inch Fox shocks which, along with the TRD-tuned springs, brings a one-inch ground clearance increase as well as one more inch of wheel travel."

Top Speed
"The updated front shocks also afford an extra inch of wheel travel."

It isn't hard to find published material that confirms it, so did Toyota and others falsely make these claims? I've not measured them myself, so I don't know it to be true personally, but it's hard to imagine it would be so widely published as such if it wasn't true. And since it's been so widely published including by Toyota themselves, many people are under the impression that it's the case. Unfortunately it's hard to know where to go from here without a definitive answer.