Add `open_pulse` entry to `AerBackendConfiguration` #2818

Job	Run time
lint (3.10)	1m 14s
lint (3.10)	1m 14s
sdist (3.8, ubuntu-latest, x64)	2m 36s
sdist (3.8, ubuntu-latest, x64)	2m 36s
sdist (3.9, ubuntu-latest, x64)	2m 49s
sdist (3.9, ubuntu-latest, x64)	2m 49s
sdist (3.10, ubuntu-latest, x64)	2m 50s
sdist (3.10, ubuntu-latest, x64)	2m 50s
sdist (3.11, ubuntu-latest, x64)	2m 47s
sdist (3.11, ubuntu-latest, x64)	2m 47s
sdist (3.12.0, ubuntu-latest, x64)	3m 25s
sdist (3.12.0, ubuntu-latest, x64)	3m 25s
tests-json-input (3.10, ubuntu-latest)	11m 38s
tests-json-input (3.10, ubuntu-latest)	11m 38s
Windows Python 3.8	53s
Windows Python 3.8	11m 29s
Linux Python 3.8	12m 26s
Linux Python 3.8	12m 26s
Linux Python 3.9	11m 25s
Linux Python 3.9	11m 25s
Windows Python 3.9	41s
Windows Python 3.9	11m 42s
macOS Python 3.8	18m 33s
macOS Python 3.8	18m 33s
Linux Python 3.10	11m 25s
Linux Python 3.10	11m 25s
Windows Python 3.10	55s
Windows Python 3.10	11m 44s
macOS Python 3.9	13m 39s
macOS Python 3.9	13m 39s
Linux Python 3.11	11m 21s
Linux Python 3.11	11m 21s
Windows Python 3.11	53s
Windows Python 3.11	10m 42s
macOS Python 3.10	20m 23s
macOS Python 3.10	20m 23s
Linux Python 3.12.0	12m 10s
Linux Python 3.12.0	12m 10s
Windows Python 3.12.0	48s
Windows Python 3.12.0	15m 17s
macOS Python 3.11	11m 16s
macOS Python 3.11	11m 16s
Linux Python 3.10 ('qiskit>=1.0.0rc1')	11m 30s
Linux Python 3.10 ('qiskit>=1.0.0rc1')	11m 30s
macOS Python 3.12.0	14m 7s
macOS Python 3.12.0	14m 7s
	6h 56m 12s

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