Not a great idea. In my experience (only did it once!), growing two plants in one pot leads to competition for everything, nutrients, water, root room, access to light..... everything. Instead of getting two plants, you end up with two half plants.
The best thing you can do is to separate them now, while still quite small and before their roots become entangled. Otherwise, choose which one you prefer and cut the other one off. You could always leave them, but do not expect either one to be as good/big as it could be.
Hope this helps,.............
Organoman.