correct capitalisation of Zsh #265

Job	Run time
homebrew-macos-checks	1m 44s
homebrew-macos-test	1m 42s
distro-test (ubuntu:latest)	1m 33s
distro-test (fedora:latest)	1m 34s
distro-test (debian:latest)	1m 35s
distro-test (alpine:latest)	1m 34s
distro-test (manjarolinux/base)	1m 35s
distro-test (opensuse/leap)	1m 34s
distro-test (opensuse/tumbleweed)	1m 33s
distro-test (kalilinux/kali-rolling)	1m 35s
distro-test (voidlinux/voidlinux)	1m 34s
fresh-macos-test	1m 42s
	19m 15s

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