added pandas < 2.4.0 support and tests for py 3.14 #2713

Job	Run time
Unit Tests (Python 3.9, default deps)	2m 45s
Unit Tests (Python 3.10, min deps)	3m 7s
Unit Tests (Python 3.9, min deps)	3m 5s
Unit Tests (Python 3.13, default deps)	2m 51s
Unit Tests (Python 3.11, min deps)	6m 39s
Unit Tests (Python 3.14, min deps)	10m 45s
Unit Tests (Python 3.14, default deps)	2m 36s
Unit Tests (Python 3.10, default deps)	2m 37s
Unit Tests (Python 3.12, default deps)	2m 42s
Unit Tests (Python 3.11, default deps)	2m 38s
Unit Tests + PyArrow (Python 3.11, min deps)	6m 40s
Unit Tests + PyArrow (Python 3.9, min deps)	3m 26s
Unit Tests + PyArrow (Python 3.13, default deps)	3m 7s
Unit Tests + PyArrow (Python 3.11, default deps)	3m 11s
Unit Tests + PyArrow (Python 3.10, default deps)	6m 24s
Unit Tests + PyArrow (Python 3.9, default deps)	3m 26s
check-linting (3.9)	29s
Unit Tests + PyArrow (Python 3.12, default deps)	3m 14s
check-types (3.10)	42s
Unit Tests + PyArrow (Python 3.10, min deps)	3m 27s
Unit Tests + PyArrow (Python 3.14, min deps)	8m 7s
check-types (3.12)	34s
check-linting (3.11)	25s
check-types (3.14)	48s
check-linting (3.10)	27s
check-types (3.9)	40s
check-types (3.11)	39s
check-linting (3.12)	25s
Unit Tests + PyArrow (Python 3.14, default deps)	8m 16s
check-types (3.13)	37s
check-linting (3.13)	25s
check-linting (3.14)	32s
	1h 35m 46s

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