ENH: Add future.python_scalars #28458

Job	Run time
Linux-Musl	15m 4s
Linux-32-bit	19m 26s
macos-15 actions-311.yaml	39m 9s
windows-2025 actions-312.yaml	42m 19s
macos-15-intel actions-313.yaml	59m 58s
macos-15 actions-312.yaml	21m 16s
macos-15-intel actions-311.yaml	1h 7m 44s
macos-15 actions-313.yaml	21m 4s
windows-2025 actions-313.yaml	50m 49s
macos-15-intel actions-312.yaml	48m 24s
windows-2025 actions-311.yaml	44m 10s
Pyodide build	22m 50s
python-dev (macos-15)	26m 35s
python-dev (windows-2025)	17m 39s
python-dev (ubuntu-24.04)	14m 30s
python-dev (macos-15-intel)	27m 4s
ubuntu-24.04 actions-312.yaml	43m 20s
ubuntu-24.04 actions-313.yaml	42m 48s
Downstream Compat	6m 8s
ubuntu-24.04-arm actions-312.yaml	36m 49s
Locale: zh_CN	27m 21s
Minimum Versions	24m 38s
ubuntu-24.04 actions-311.yaml	40m 19s
ubuntu-24.04-arm actions-311.yaml	36m 4s
Locale: it_IT	28m 6s
PANDAS_FUTURE_PYTHON_SCALARS=1	44m 17s
Freethreading	13m 48s
Pyarrow Nightly	19m 26s
PANDAS_FUTURE_INFER_STRING=0	42m 32s
ubuntu-24.04-arm actions-313.yaml	34m 57s
Without PyArrow	22m 46s
Numpy Dev	17m 42s
	16h 59m 2s

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