allow InteractionEmbedder to pass a seed

[sgrava]

A NumPy seed is incorrectly fixed in the Interaction embedder.
https://github.com/pasqal-io/qoolqit/blob/main/qoolqit/embedding/algorithms/interaction_embedding.py#L46

Allow instead to pass a seed or random generator according to NumPy suggestions.
https://numpy.org/doc/stable/reference/random/generator.html#numpy.random.Generator

[abussy-pasqal]

See https://github.com/pasqal-io/qubo-solver/blob/main/qubosolver/classical_solver/simulated_annealing.py#L145
for an example, where the algorithm creates its own generator