Try this
If this is not work, you have to consider modifying the source code.
import bpy
def run_every_01_sec():
if RETURN in ({'CANCELLED'}, {'FINISHED'}):
print("op end")
bpy.app.timers.unregister(run_every_01_sec)
else:
print("op running")
return 0.1
RETURN = bpy.ops.object.bake_image()
bpy.app.timers.register(run_every_01_sec)