Merge pull request #467 from jack-rann/250-python-execvp #418

Job	Run time
Build and test FreeBSD executable	3m 41s
Build OSX executable (macos-latest)	1m 10s
Build and test Linux executable (amd64)	1m 36s
Build and test Alpine executable	3m 31s
Build and test Linux executable (armv7)	13m 17s
Build and test Linux executable (aarch64)	12m 12s
Build and test Linux executable (ppc64le)	12m 24s
Build and test Linux executable (riscv64)	11m 31s
Build and test Linux executable (i386)	2m 45s
Build and push to Docker Hub	0s
	1h 2m 7s

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