Welcome to the Bunnings Workshop community. It's fantastic to have you join us and many thanks for your question.
Unfortunately, we don't stock any paint which is classified Non-Toxic and suitable for painting a babies cot. I believe there are paints suitable for this purpose including non-toxic and 99% VOC free options. You might need to do some research through Google on where to find them.
A couple of discussions that have touched on this subject before: