added pandas < 2.4.0 support and tests for py 3.14 #2715

Job	Run time
check-types (3.14)	8m 12s
check-linting (3.9)	42s
check-types (3.11)	46s
check-types (3.9)	45s
check-types (3.10)	45s
check-types (3.12)	47s
check-linting (3.13)	40s
check-types (3.13)	44s
check-linting (3.10)	40s
Unit Tests (Python 3.9, min deps)	3m 11s
check-linting (3.11)	34s
Unit Tests (Python 3.14, default deps)	10m 15s
Unit Tests + PyArrow (Python 3.9, default deps)	3m 13s
Unit Tests + PyArrow (Python 3.11, default deps)	3m 8s
Unit Tests + PyArrow (Python 3.10, default deps)	3m 9s
Unit Tests + PyArrow (Python 3.14, min deps)	10m 45s
Unit Tests + PyArrow (Python 3.13, default deps)	3m 3s
Unit Tests (Python 3.10, min deps)	3m 12s
Unit Tests (Python 3.9, default deps)	2m 53s
check-linting (3.14)	8m 3s
Unit Tests + PyArrow (Python 3.11, min deps)	3m 20s
Unit Tests (Python 3.12, default deps)	2m 48s
Unit Tests + PyArrow (Python 3.9, min deps)	3m 26s
Unit Tests (Python 3.13, default deps)	2m 49s
Unit Tests (Python 3.11, min deps)	3m 2s
Unit Tests + PyArrow (Python 3.14, default deps)	10m 34s
Unit Tests + PyArrow (Python 3.12, default deps)	3m 5s
Unit Tests + PyArrow (Python 3.10, min deps)	3m 23s
Unit Tests (Python 3.10, default deps)	2m 55s
Unit Tests (Python 3.11, default deps)	2m 48s
Unit Tests (Python 3.14, min deps)	10m 37s
check-linting (3.12)	42s
	1h 54m 56s

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