Static `ctypes`; building with `dune` (#28) #710

Job	Run time
package-python (macos-11)	1m 4s
package-python (macos-11)	9m 19s
check-version-numbers	5s
check-version-numbers	5s
build-both-and-compare (macos-12, 4.14.x)	1m 5s
build-both-and-compare (macos-12, 4.14.x)	14m 27s
package-python (ubuntu-latest)	1m 8s
package-python (ubuntu-latest)	8m 22s
build-both-and-compare (macos-11, 4.14.x)	1m 4s
build-both-and-compare (macos-11, 4.14.x)	14m 47s
build-both-and-compare (ubuntu-latest, 4.14.x)	1m 11s
build-both-and-compare (ubuntu-latest, 4.14.x)	6m 42s
deploy	1s
deploy	1m 6s
	1h 0m 26s

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