Add initial Arrow PyCapsule support #982

Job	Run time
build-vegafusion-python-osx-64	19m 17s
build-vegafusion-python-linux-64	10m 19s
build-vegafusion-python-linux-arm64	11m 4s
build-vegafusion-python-osx-arm64	20m 27s
build-vegafusion-python-win-64	28m 22s
build-vegafusion-server-linux-64	12m 48s
build-vegafusion-server-linux-arm64	8m 11s
build-vegafusion-server-osx-64	33m 32s
build-vegafusion-server-osx-arm64	13m 15s
build-vegafusion-server-win-64	29m 59s
build-vegafusion-wasm	10m 39s
check-rust	7m 27s
check-vegafusion-python	1m 15s
test-rust (ubuntu-20.04)	25m 25s
test-rust (windows-2022)	50m 34s
test-rust (macos-14)	26m 59s
test-vegafusion-python-linux-64	31m 30s
test-vegafusion-python-osx-arm64	5m 41s
test-vegafusion-python-win-64	10m 30s
	5h 57m 14s

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