fix dll copying on Windows #15

Job	Run time
Build sdist	7m 47s
Build wheel cp311-manylinux_x86_64-	9m 4s
Build wheel cp311-macosx_x86_64-accelerate	3m 1s
Build wheel cp311-macosx_x86_64-openblas	10m 57s
Build wheel cp311-macosx_arm64-accelerate	7m 12s
Build wheel cp311-musllinux_x86_64-	10m 41s
Build wheel cp311-musllinux_aarch64-	7m 11s
Build wheel cp311-win32-	9m 31s
Build wheel cp311-manylinux_aarch64-	6m 24s
Build wheel cp311-win_amd64-	8m 43s
Build wheel cp311-win_arm64-	9m 57s
Upload release to PyPI	9s
Upload release to TestPyPI	10s
	1h 30m 47s

Provide feedback