Add `_retry_server_directed_only` mode for Retry-After header compliance #2813

Job	Run time
check-types (3.11)	31s
Unit Tests (Python 3.10, min deps)	3m 3s
Unit Tests + PyArrow (Python 3.10, min deps)	3m 36s
check-types (3.12)	35s
check-linting (3.10)	29s
Unit Tests (Python 3.10, default deps)	2m 37s
check-linting (3.13)	31s
Unit Tests (Python 3.14, default deps)	2m 42s
Unit Tests + PyArrow (Python 3.14, min deps)	11m 5s
Unit Tests (Python 3.9, default deps)	2m 51s
check-types (3.10)	40s
Unit Tests (Python 3.14, min deps)	2m 59s
check-types (3.9)	54s
Unit Tests (Python 3.11, default deps)	2m 40s
check-linting (3.14)	28s
Unit Tests (Python 3.13, default deps)	2m 39s
Unit Tests (Python 3.11, min deps)	3m 11s
Unit Tests + PyArrow (Python 3.12, default deps)	3m 18s
Unit Tests + PyArrow (Python 3.10, default deps)	3m 22s
Unit Tests (Python 3.9, min deps)	3m 7s
check-types (3.14)	52s
Unit Tests + PyArrow (Python 3.9, min deps)	3m 34s
Unit Tests + PyArrow (Python 3.9, default deps)	3m 23s
check-types (3.13)	31s
check-linting (3.12)	26s
Unit Tests + PyArrow (Python 3.11, default deps)	3m 16s
Unit Tests + PyArrow (Python 3.11, min deps)	3m 32s
Unit Tests + PyArrow (Python 3.14, default deps)	10m 59s
check-linting (3.11)	27s
Unit Tests (Python 3.12, default deps)	2m 41s
Unit Tests + PyArrow (Python 3.13, default deps)	3m 16s
check-linting (3.9)	44s
	1h 24m 59s

Provide feedback