BUG: Fix sorting by column named None in DataFrame.sort_values (GH#61… #23630

Job	Run time
python-dev	0s
Linux-32-bit	18m 18s
Linux-Musl	15m 1s
Pyodide build	25m 16s
macos-13 actions-311.yaml	1h 18m 11s
macos-14 actions-310.yaml	23m 28s
macos-14 actions-311.yaml	20m 37s
macos-13 actions-313.yaml	1h 0m 29s
windows-latest actions-310.yaml	1h 21m 14s
macos-14 actions-312.yaml	16m 22s
macos-13 actions-312.yaml	1h 7m 6s
windows-latest actions-311.yaml	1h 22m 27s
windows-latest actions-313.yaml	1h 30m 55s
macos-14 actions-313.yaml	17m 48s
windows-latest actions-312.yaml	1h 18m 30s
macos-13 actions-310.yaml	1h 1m 6s
ubuntu-24.04 actions-311.yaml	1h 23m 19s
ubuntu-24.04 actions-313.yaml	1h 30m 18s
ubuntu-24.04-arm actions-311.yaml	1h 1m 14s
ubuntu-24.04-arm actions-313.yaml	1h 2m 49s
ubuntu-24.04-arm actions-310.yaml	1h 3m 33s
Locale: zh_CN	1h 7m 17s
Freethreading	20m 47s
Future infer strings (without pyarrow)	1h 19m 37s
ubuntu-24.04-arm actions-312.yaml	1h 1m 44s
Pypy	1m 15s
Downstream Compat	5m 15s
ubuntu-24.04 actions-310.yaml	1h 29m 0s
ubuntu-24.04 actions-312.yaml	1h 23m 37s
Future infer strings	1h 26m 8s
Locale: it_IT	1h 5m 32s
Minimum Versions	49m 26s
Pyarrow Nightly	19m 33s
Numpy Dev	16m 29s
	1d 5h 3m 41s

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