test: verify fork-PR CI runs offline from prewarmed cache (#831) [DO NOT MERGE] #3022

Job	Run time
check-linting (3.11)	9s
check-linting (3.12)	11s
check-linting (3.14)	1m 21s
check-linting (3.9)	1m 21s
check-linting (3.13)	8s
check-types (3.9)	11s
Unit Tests + PyArrow (Python 3.10, default deps)	35s
Unit Tests + PyArrow (Python 3.9, default deps)	34s
check-types (3.14)	1m 21s
Unit Tests + Kernel (Python 3.10)	36s
check-linting (3.10)	1m 21s
Unit Tests + PyArrow (Python 3.11, min deps)	31s
check-types (3.12)	1m 21s
Unit Tests + PyArrow (Python 3.14, min deps)	32s
Unit Tests + Kernel (Python 3.12)	29s
Unit Tests + Kernel (Python 3.13)	28s
Unit Tests + Kernel (Python 3.14)	29s
Unit Tests (Python 3.9, default deps)	13s
check-types (3.13)	1m 21s
Unit Tests (Python 3.9, min deps)	9s
check-types (3.11)	4s
check-types (3.10)	1m 21s
Unit Tests (Python 3.10, min deps)	13s
Unit Tests (Python 3.11, default deps)	13s
Unit Tests + Kernel (Python 3.11)	38s
Unit Tests (Python 3.12, default deps)	13s
Unit Tests + PyArrow (Python 3.10, min deps)	27s
Unit Tests + PyArrow (Python 3.13, default deps)	36s
Unit Tests (Python 3.14, default deps)	13s
Unit Tests (Python 3.14, min deps)	13s
Unit Tests + PyArrow (Python 3.9, min deps)	34s
Unit Tests (Python 3.13, default deps)	13s
Unit Tests (Python 3.11, min deps)	13s
Unit Tests (Python 3.10, default deps)	13s
Unit Tests + PyArrow (Python 3.14, default deps)	30s
Unit Tests + PyArrow (Python 3.12, default deps)	29s
Unit Tests + PyArrow (Python 3.11, default deps)	28s
	20m 12s

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