I’ve used Find and Replace Fonts – https://sidequestplugins.com/
PT Textedit is a good suggestion too, just quite a lot more complicated to use and a bit pricier
sidequestplugins.com
Find and Replace Fonts | AE Script
Globally find and replace fonts in After Effects. Project wide, in a specific composition, pre-comps or just selected layers. After Effects tools & scripts for motion designers.