feature #49580: support new-style float_format string in to_csv #23975

Job	Run time
python-dev	0s
Linux-32-bit	9m 9s
Linux-Musl	9m 9s
macos-13 actions-311.yaml	10m 40s
macos-13 actions-310.yaml	9m 58s
windows-latest actions-312.yaml	9m 22s
macos-14 actions-312.yaml	9m 43s
windows-latest actions-310.yaml	9m 22s
macos-14 actions-310.yaml	9m 36s
macos-14 actions-311.yaml	9m 39s
macos-13 actions-312.yaml	9m 51s
macos-13 actions-313.yaml	10m 0s
macos-14 actions-313.yaml	9m 36s
windows-latest actions-311.yaml	9m 39s
Pyodide build	9m 22s
windows-latest actions-313.yaml	9m 46s
ubuntu-24.04 actions-310.yaml	14m 7s
ubuntu-24.04 actions-311.yaml	14m 7s
ubuntu-24.04-arm actions-311.yaml	14m 7s
Downstream Compat	6m 17s
Locale: zh_CN	9m 36s
Locale: it_IT	9m 36s
Future infer strings	14m 7s
Future infer strings (without pyarrow)	14m 7s
ubuntu-24.04-arm actions-313.yaml	14m 7s
ubuntu-24.04 actions-312.yaml	14m 7s
Pyarrow Nightly	9m 28s
Freethreading	9m 29s
Minimum Versions	9m 34s
ubuntu-24.04 actions-313.yaml	14m 6s
Numpy Dev	9m 27s
ubuntu-24.04-arm actions-312.yaml	14m 7s
ubuntu-24.04-arm actions-310.yaml	14m 8s
Pypy	1m 37s
	5h 51m 6s

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