Broken Qiskit logo in the readme

[Purva Thakre]

https://github.com/unitaryfund/mitiq?tab=readme-ov-file#supported-frontends

[nate stemen]

I actually cannot find the Qiskit logo anywhere on the IBM Quantum or Qiskit documentation websites...

Maybe this means they are either transitioning away from it. Either way, I guess a solution is to download an image online and store it in the repo instead of using a linked image.