Update Dockerfile.alpine (#1268) #491

Job	Run time
Test macOS (macos-latest, 3.10)	15m 29s
Build sdist and wheels	21s
Test Windows (windows-latest, 3.10)	7m 45s
Test macOS (macos-latest, 3.11)	15m 12s
Test ubuntu-22.04 with Python 3.10	5m 46s
Test macOS (macos-latest, 3.12)	1m 33s
Test Windows (windows-latest, 3.11)	7m 54s
Test ubuntu-22.04 with Python 3.11	5m 17s
Test Windows (windows-latest, 3.12)	8m 20s
Test ubuntu-22.04 with Python 3.10	5m 20s
Test ubuntu-latest with Python 3.12	6m 11s
Test ubuntu-latest with Python pypy3.10	12m 8s
Build Alpine-based Docker images	0s
Deploy artifacts to PyPI	0s
Build Ubuntu-based Docker image	0s
Create GitHub release	0s
	1h 31m 16s

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