most logitech mice use the same switches, any Japanese Omron switches will work (avoid the Chinese Omrons). here’s an amazon link to a 2-pack. there’s also a bunch of other switch types nearly as varied as keyboard switches, these are what I put in my mouse, but if you’re just looking to stop the double-clicking the Japanese Omrons are the way to go.
Try the audio captcha option, those usually have an actual answer it will accept. Which ironically speech to text is more or less reliably able to solve, and there are extensions to solve captchas automatically for you that way