[do not merge] Sparse State Vector Simulator

[KetpuntoG]

import pennylane as qml

dev = qml.device("sparse.qubit")

@qml.qnode(dev)
def circuit():

    for i in range(50):
        qml.X(i)

    for i in range(5):
        qml.Hadamard(i)

    return qml.state()

print(circuit())

[github-actions]

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