disable cgo for darwin builds #274

Job	Run time
test-osx	1m 1s
test-win	2m 57s
get-version	4s
test	7m 33s
dist-linux-osx	40s
build-osx (darwin, x86_64)	48s
build (linux, i386)	33s
build-osx (darwin, aarch64)	52s
build (linux, x86_64)	31s
build-win (windows, i386)	1m 17s
build-win (windows, x86_64)	1m 26s
dist-win	51s
build (linux, aarch64)	32s
build (freebsd, i386)	32s
build-win (windows, aarch64)	1m 19s
build (freebsd, x86_64)	27s
build (freebsd, aarch64)	29s
pkg-deb (linux, i386)	49s
pkg-rpm (linux, i386)	17s
pkg-deb (linux, x86_64)	1m 6s
pkg-rpm (linux, x86_64)	19s
pkg-deb (linux, aarch64)	48s
pkg-rpm (linux, aarch64)	24s
pkg-osx (darwin, x86_64)	22s
pkg-osx (darwin, aarch64)	26s
integration-test-osx (darwin, x86_64)	46s
sign-win (windows, i386)	16s
sign-win (windows, x86_64)	17s
sign-win (windows, aarch64)	17s
pkg-msi (windows, i386)	41s
pkg-msi (windows, x86_64)	41s
pkg-msi (windows, aarch64)	32s
integration-test-linux (linux, x86_64)	47s
clean-tmp-files (linux, i386)	2s
clean-tmp-files (linux, x86_64)	5s
clean-tmp-files (linux, aarch64)	2s
integration-test-windows (windows, x86_64)	3m 35s
clean-tmp-winbin (windows, i386)	5s
clean-tmp-winbin (windows, x86_64)	2s
clean-tmp-winbin (windows, aarch64)	4s
clean-tmp-dist	0s
make-release	0s
upload-linux-rpm-assets	0s
upload-osx-pkg-assets	0s
upload-linux-deb-assets	0s
upload-windows-release-assets	0s
upload-binary-release-assets	0s
	34m 35s

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