ENH: Add dropna parameter to Series.unique() (fixes #61209) #22764

Job	Run time
Pyodide build	25m 8s
Linux-32-bit	19m 3s
Linux-Musl	17m 28s
python-freethreading	26m 26s
python-dev (macOS-13)	26m 33s
python-dev (macOS-14)	9m 55s
python-dev (windows-latest)	23m 37s
python-dev (ubuntu-22.04)	21m 15s
macos-13 actions-310.yaml	46m 55s
macos-13 actions-311.yaml	41m 27s
macos-13 actions-312.yaml	56m 40s
macos-14 actions-310.yaml	19m 53s
macos-14 actions-311.yaml	20m 44s
macos-14 actions-312.yaml	20m 38s
windows-latest actions-311.yaml	54m 56s
windows-latest actions-312.yaml	1h 7m 20s
windows-latest actions-310.yaml	53m 44s
Minimum Versions	25m 46s
Future infer strings (without pyarrow)	1h 1m 17s
Locale: zh_CN	43m 27s
Locale: it_IT	43m 51s
Downstream Compat	6m 38s
Numpy Dev	18m 14s
Pyarrow Nightly	22m 56s
Pypy	1m 43s
Future infer strings	1h 10m 18s
ubuntu-22.04 actions-310.yaml	1h 9m 48s
ubuntu-22.04 actions-311.yaml	1h 6m 31s
ubuntu-24.04-arm actions-311.yaml	39m 51s
ubuntu-22.04 actions-312.yaml	1h 9m 16s
ubuntu-24.04-arm actions-312.yaml	1h 1m 48s
ubuntu-24.04-arm actions-310.yaml	39m 49s
	19h 52m 55s

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