Allow installation to Python 3.10 environment

All unit tests pass.

setup.py

@@ -34,7 +34,7 @@ def _parse_requirements(path: pathlib.Path):
     url="http://github.com/quantumlib/unitary",
     author="Quantum AI team and collaborators",
     author_email="[email protected]",
-    python_requires=">=3.12.0",
+    python_requires=">=3.10.0",
     install_requires=install_requires,
     license="Apache 2",
     description="",