Did you read the link above?  Theoretically it is. Practically not. Equipment required for something like this goes beyond home conditions. Even ordinary quantum computers. A special laboratory is needed for such a computer.
Not to mention that laser generated random numbers are needed combined with a quantum computer. And such a quantum computer must have a special kind of qubit for Shor's algorithm....special power supplies, sub-zero cooling and a fully controlled environment.
Development and deployment of practical, large-scale quantum computers capable of breaking these algorithms are still in the early stages. Many technical challenges need to be addressed before quantum computers become a practical threat to current cryptographic systems.
Laser-generated random numbers, on the other hand, are not directly related to the security of ECDSA or other cryptographic algorithms. Random number generation is a separate aspect of cryptography that is crucial for key generation and other cryptographic processes. The use of quantum-resistant cryptographic algorithms and the development of post-quantum cryptography are ongoing efforts to ensure the security of systems in a post-quantum era.