feat: enable different sim_param vectors for multiple requests #282

Job	Run time
Tests on other platforms (windows-2019, 3.10)	2m 21s
Tests on paywalled platforms	0s
Tests on other platforms (windows-2022, 3.11)	2m 7s
Tox test (py38)	1m 50s
Tests on other platforms (windows-2022, 3.12)	2m 29s
Tox test (py39)	1m 55s
Tests on other platforms (macos-12, 3.11)	4m 36s
Tox test (py310)	1m 54s
Tests on other platforms (macos-13, 3.12)	1m 37s
Tox test (py311)	1m 50s
Tox test (py312-cover)	2m 45s
Tox test (docs, graphviz)	2m 16s
Docker image	0s
PyPI packaging	0s
	25m 40s

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