Change extension icon

1. Create a new set of extension icons in the dimensions 16px, 32px, 48px, 128px and place them in the images folder in the extension source code folder. You can also create a subfolder to keep things cleaner.

   

2. Use the action Charles: Change icon workflow action fill in the paths to the new images starting with images/…:

   

   To reset the the icon, run the same workflow, but point it back to the original images: