BUG: Fix na_position type in IndexEngine (#61062) #22321

Job	Run time
Pyodide build	22m 57s
python-dev (macOS-13)	22m 44s
Linux-Musl	16m 19s
Linux-32-bit	18m 26s
python-dev (macOS-14)	13m 51s
python-dev (ubuntu-22.04)	20m 6s
python-dev (windows-latest)	22m 37s
macos-13 actions-310.yaml	33m 49s
macos-13 actions-311.yaml	26m 20s
macos-13 actions-312.yaml	28m 48s
macos-14 actions-310.yaml	14m 35s
macos-14 actions-312.yaml	22m 36s
macos-14 actions-311.yaml	26m 12s
windows-latest actions-311.yaml	35m 31s
windows-latest actions-312.yaml	46m 19s
python-freethreading	23m 15s
windows-latest actions-310.yaml	33m 33s
Minimum Versions	25m 27s
Future infer strings (without pyarrow)	41m 44s
Locale: zh_CN	23m 31s
Locale: it_IT	23m 30s
Downstream Compat	5m 50s
Numpy Dev	16m 44s
Pyarrow Nightly	24m 32s
Future infer strings	50m 39s
Pypy	1m 24s
ubuntu-22.04 actions-310.yaml	50m 53s
ubuntu-22.04 actions-311.yaml	43m 24s
ubuntu-22.04 actions-312.yaml	48m 13s
ubuntu-24.04-arm actions-311.yaml	42m 4s
ubuntu-24.04-arm actions-312.yaml	49m 46s
ubuntu-24.04-arm actions-310.yaml	45m 10s
	15h 20m 49s

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