quickstarts source things like shell functions and compose files from release-next instead of main

[qrkourier]

https://openziti.github.io/docusaurus/docs/quickstarts/network/hosted guides the expressInstall user to source shell functions from branch "release-next" instead of the release branch "main".

The command should be:

source <(curl -s https://raw.githubusercontent.com/openziti/ziti/main/quickstart/docker/image/ziti-cli-functions.sh)