Replace example in README to using primitives #2433

Job	Run time
lint (3.10)	1m 27s
lint (3.10)	1m 27s
sdist (3.8, ubuntu-latest, x64)	4m 49s
sdist (3.8, ubuntu-latest, x64)	4m 49s
sdist (3.9, ubuntu-latest, x64)	5m 12s
sdist (3.9, ubuntu-latest, x64)	5m 12s
sdist (3.10, ubuntu-latest, x64)	4m 43s
sdist (3.10, ubuntu-latest, x64)	4m 43s
sdist (3.11, ubuntu-latest, x64)	3m 9s
sdist (3.11, ubuntu-latest, x64)	3m 9s
sdist (3.12.0, ubuntu-latest, x64)	5m 17s
sdist (3.12.0, ubuntu-latest, x64)	5m 17s
tests-json-input (3.10, ubuntu-latest)	7m 31s
tests-json-input (3.10, ubuntu-latest)	7m 31s
macOS Python 3.10	3m 36s
macOS Python 3.10	4m 47s
Linux Python 3.8	7m 28s
Linux Python 3.8	7m 28s
Windows Python 3.8	8m 24s
Windows Python 3.8	8m 24s
macOS Python 3.11	3m 17s
macOS Python 3.11	4m 57s
Linux Python 3.9	8m 23s
Linux Python 3.9	8m 23s
macOS Python 3.12.0	3m 34s
macOS Python 3.12.0	4m 38s
Windows Python 3.9	8m 14s
Windows Python 3.9	8m 14s
Linux Python 3.10	7m 42s
Linux Python 3.10	7m 42s
Windows Python 3.10	7m 17s
Windows Python 3.10	7m 17s
Linux Python 3.11	6m 46s
Linux Python 3.11	6m 46s
Windows Python 3.11	9m 57s
Windows Python 3.11	9m 57s
Linux Python 3.12.0	7m 33s
Linux Python 3.12.0	7m 33s
Windows Python 3.12.0	11m 6s
Windows Python 3.12.0	11m 6s
Linux Python 3.10 ('qiskit>=1.0.0rc1')	7m 41s
Linux Python 3.10 ('qiskit>=1.0.0rc1')	7m 41s
	4h 30m 7s

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