Answer:
I believe it is not a chemical change for the components are not changing.
This excerpt from thoughtco.com states that for it to be a chemical change, the atoms would be rearranged.
In other words, a chemical change is a chemical reaction involving the rearrangement of atoms. While a physical change can often be reversed, a chemically change typically cannot be, except through more chemical reactions. When a chemical change occurs, there is also a change in the energy of the system.
So, in this case, they are not being rearranged, just combined to form one big fruit salad.