v0.19.0

What's Changed

• Arbitrary gate set conversion transpiler by @lqtmirage in #341
• From qulacs converter by @HayatoYunoki in #342
• Replace cfloat with complex128. Modify version constraints on numpy by @toru4838 in #343
• Qiskit 1 update by @dchung0741 in #345
• Fix scipy import error by @toru4838 in #344
• Make ImmutableQuantumCircuit.depth a cached property by @kwkbtr in #346
• Freeze the circuit before converting to a Qulacs circuit with a noise model by @kwkbtr in #347
• Support numpy 2.0.0 by @toru4838 in #351

Full Changelog: v0.18.1...v0.19.0