Add C API functions back to `_usmarray.pyx` #1830

Job	Run time
Build conda env file	2m 28s
Run tests with OneMath tag (3.13, ubuntu-22.04)	56m 15s
Run tests with oneMath develop branch (3.13, ubuntu-22.04)	53m 47s
	1h 52m 30s

Provide feedback