Update to use pandas v2.* #868

Job	Run time
linux-64-py3.10	11m 2s
win-64	15m 32s
macOS	7m 45s
random_seed_generation_test	8m 33s
Standard 2-Zone Example (SANDAG)	1h 9m 8s
placeholder_sandag	2h 19m 29s
prototype_mwcog	55m 10s
Standard 1-Zone Example (MTC)	58m 34s
prototype_marin	7m 20s
prototype_mtc	57m 31s
placeholder_multiple_zone	13m 47s
production_semcog	11m 11s
prototype_mtc_extended	1h 34m 44s
prototype_sandag_xborder	10m 19s
placeholder_psrc	49m 41s
Estimation Mode Unit Tests	22m 23s
develop-docbuild	0s
	10h 32m 9s

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