Specify --target-dir to install operation #60

Job	Run time
pytest / setup	5s
pytest / pytest (macos-latest, 3.8)	1m 21s
pytest / pytest (macos-latest, 3.9)	57s
pytest / pytest (macos-latest, 3.10)	52s
pytest / pytest (macos-latest, 3.11)	37s
pytest / pytest (macos-latest, 3.12)	1m 3s
pytest / pytest (ubuntu-22.04, 3.8)	1m 33s
pytest / pytest (ubuntu-22.04, 3.9)	3m 12s
pytest / pytest (ubuntu-22.04, 3.10)	2m 11s
pytest / pytest (ubuntu-22.04, 3.11)	4m 19s
pytest / pytest (ubuntu-22.04, 3.12)	3m 39s
pytest / pytest (windows-latest, 3.8)	1m 48s
pytest / pytest (windows-latest, 3.9)	2m 35s
pytest / pytest (windows-latest, 3.10)	2m 37s
pytest / pytest (windows-latest, 3.11)	2m 56s
pytest / pytest (windows-latest, 3.12)	2m 38s
pytest / pytest (ubuntu-20.04, 3.6)	39s
	33m 2s

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