REF (string): de-duplicate _str_contains #18843

Job	Run time
Linux-32-bit	19m 5s
Pyodide build	24m 54s
Linux-Musl	16m 53s
python-freethreading	23m 44s
python-dev (macOS-13)	23m 41s
python-dev (macOS-14)	12m 56s
python-dev (ubuntu-22.04)	23m 37s
python-dev (windows-latest)	25m 57s
macos-13 actions-310.yaml	37m 38s
macos-13 actions-311.yaml	24m 10s
macos-13 actions-312.yaml	28m 48s
macos-14 actions-310.yaml	17m 33s
macos-14 actions-311.yaml	17m 39s
macos-14 actions-312.yaml	27m 8s
windows-latest actions-311.yaml	39m 40s
windows-latest actions-312.yaml	48m 37s
windows-latest actions-310.yaml	34m 58s
ubuntu-latest actions-310.yaml	44m 46s
Minimum Versions	25m 8s
ubuntu-latest actions-311.yaml	41m 19s
Future infer strings (without pyarrow)	42m 16s
Locale: zh_CN	25m 10s
Locale: it_IT	24m 42s
Downstream Compat	6m 22s
Numpy Dev	17m 49s
Pyarrow Nightly	19m 52s
ubuntu-latest actions-312.yaml	44m 45s
Future infer strings	50m 51s
Pypy	1m 19s
	13h 11m 17s

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