ENH: Add dtype argument to str.decode #22000

Job	Run time
Pyodide build	22m 42s
Linux-32-bit	18m 1s
Linux-Musl	16m 19s
python-dev (macOS-13)	22m 51s
python-dev (macOS-14)	9m 57s
python-dev (ubuntu-22.04)	20m 40s
python-dev (windows-latest)	22m 15s
python-freethreading	22m 16s
Minimum Versions	24m 1s
Future infer strings (without pyarrow)	40m 30s
Locale: zh_CN	23m 46s
Locale: it_IT	23m 35s
Downstream Compat	6m 6s
Numpy Dev	16m 50s
Pyarrow Nightly	20m 12s
Future infer strings	49m 41s
Pypy	1m 23s
ubuntu-22.04 actions-310.yaml	47m 25s
ubuntu-22.04 actions-311.yaml	44m 48s
ubuntu-22.04 actions-312.yaml	48m 31s
ubuntu-24.04-arm actions-311.yaml	40m 47s
ubuntu-24.04-arm actions-312.yaml	51m 6s
ubuntu-24.04-arm actions-310.yaml	39m 54s
macos-13 actions-310.yaml	34m 2s
macos-13 actions-311.yaml	29m 8s
macos-13 actions-312.yaml	29m 22s
macos-14 actions-310.yaml	18m 37s
macos-14 actions-311.yaml	17m 14s
macos-14 actions-312.yaml	19m 55s
windows-latest actions-311.yaml	33m 42s
windows-latest actions-312.yaml	46m 10s
windows-latest actions-310.yaml	32m 50s
	14h 54m 36s

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