Add --confirm switch to zarf dev patch-git

[frumpleswift]

Is your feature request related to a problem? Please describe.

Please add a --confirm flag to zarf dev patch-git to support automation of the patch process.

Describe alternatives you've considered

We have attempted to automate zarf dev patch-git in various ways, for example yes | zarf dev patch-git and the process invariably fails.

This is due to the implementation of the underlying survey go package, and is a known issue with the same:
https://github.com/AlecAivazis/survey?tab=readme-ov-file#what-kinds-of-io-are-supported-by-survey
AlecAivazis/survey#337 (comment)

Additional context

We are deploying zarf in a hub-spoke design pattern where the zarf cluster is separate from production clusters. We have a requirement that the zarf-agent not be deployed to clusters running production workloads, so we cannot rely on the mutating webhook to modify the git url.