TST/CI: temporary upper pin for scipy in downstream tests for compat with statsmodels #24159

Job	Run time
python-dev	0s
Linux-32-bit	18m 50s
Pyodide build	23m 24s
Linux-Musl	16m 26s
macos-14 actions-310.yaml	30m 41s
macos-14 actions-312.yaml	26m 55s
macos-14 actions-311.yaml	29m 30s
macos-14 actions-313.yaml	25m 32s
windows-latest actions-310.yaml	35m 35s
macos-13 actions-311.yaml	32m 57s
windows-latest actions-311.yaml	35m 50s
macos-13 actions-312.yaml	33m 55s
macos-13 actions-310.yaml	33m 10s
windows-latest actions-313.yaml	44m 19s
macos-13 actions-313.yaml	42m 6s
ubuntu-24.04 actions-311.yaml	43m 47s
Locale: it_IT	24m 25s
ubuntu-24.04-arm actions-310.yaml	36m 18s
Freethreading	21m 3s
windows-latest actions-312.yaml	37m 0s
Locale: zh_CN	24m 31s
Future infer strings	46m 4s
Pyarrow Nightly	21m 12s
ubuntu-24.04 actions-310.yaml	47m 28s
ubuntu-24.04-arm actions-313.yaml	37m 4s
Minimum Versions	23m 21s
ubuntu-24.04-arm actions-311.yaml	37m 11s
ubuntu-24.04 actions-313.yaml	49m 15s
Future infer strings (without pyarrow)	39m 31s
Pypy	1m 54s
Downstream Compat	6m 25s
Numpy Dev	17m 23s
ubuntu-24.04-arm actions-312.yaml	37m 1s
ubuntu-24.04 actions-312.yaml	45m 16s
	17h 5m 19s

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