Add real,imag to fake numpy namespace ABC. #2025

Job	Run time
Examples Conda Py3	41s
Pytest Conda Py3 POCL	40s
basedpyright	40s
Pytest Conda Py3 Intel	41s
Documentation	45s
Ruff	9s
Typos	5s
Tests for downstream project mirgecom_examples	6s
Tests for downstream project meshmode	40s
Tests for downstream project grudge	42s
Tests for downstream project mirgecom	5s
	5m 14s

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