fix nushell integration #260

Job	Run time
homebrew-macos-checks	2m 35s
homebrew-macos-test	2m 35s
distro-test (ubuntu:latest)	1m 55s
distro-test (fedora:latest)	2m 27s
distro-test (debian:latest)	1m 57s
distro-test (alpine:latest)	1m 32s
distro-test (manjarolinux/base)	1m 53s
distro-test (opensuse/leap)	2m 27s
distro-test (opensuse/tumbleweed)	1m 52s
distro-test (kalilinux/kali-rolling)	1m 54s
distro-test (voidlinux/voidlinux)	2m 3s
fresh-macos-test	2m 34s
	25m 44s

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