added pandas < 2.4.0 support and tests for py 3.14 #2712

Job	Run time
Unit Tests (Python 3.9, min deps)	4m 13s
Unit Tests (Python 3.9, default deps)	4m 2s
Unit Tests (Python 3.10, default deps)	2m 55s
Unit Tests (Python 3.11, default deps)	2m 58s
Unit Tests (Python 3.12, default deps)	3m 14s
Unit Tests (Python 3.11, min deps)	3m 8s
Unit Tests (Python 3.14, min deps)	12m 43s
Unit Tests (Python 3.10, min deps)	3m 9s
Unit Tests (Python 3.13, default deps)	2m 50s
Unit Tests + PyArrow (Python 3.9, min deps)	3m 25s
Unit Tests + PyArrow (Python 3.9, default deps)	3m 11s
Unit Tests + PyArrow (Python 3.10, default deps)	3m 9s
Unit Tests + PyArrow (Python 3.11, min deps)	3m 25s
Unit Tests + PyArrow (Python 3.12, default deps)	3m 5s
Unit Tests + PyArrow (Python 3.13, default deps)	3m 7s
Unit Tests + PyArrow (Python 3.14, min deps)	8m 0s
check-types (3.9)	56s
Unit Tests (Python 3.14, default deps)	10m 24s
Unit Tests + PyArrow (Python 3.14, default deps)	7m 53s
Unit Tests + PyArrow (Python 3.10, min deps)	3m 24s
check-types (3.11)	42s
Unit Tests + PyArrow (Python 3.11, default deps)	3m 2s
check-linting (3.10)	39s
check-linting (3.11)	37s
check-linting (3.12)	35s
check-types (3.13)	47s
check-types (3.10)	45s
check-types (3.12)	47s
check-linting (3.14)	7m 53s
check-types (3.14)	9m 16s
check-linting (3.9)	1m 1s
check-linting (3.13)	41s
	1h 55m 56s

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