fix: using a new s3 backend for test data (#2630)

## Description

s3 we were using for examples was broken

## Checklist before merging

- [ ] Test, docs, adr added or updated as needed
- [ ] [Contributor Guide
Steps](https://github.com/defenseunicorns/zarf/blob/main/.github/CONTRIBUTING.md#developer-workflow)
followed

examples/kiwix/zarf.yaml

@@ -33,7 +33,7 @@ components:
  onCreate:
  before:
  # Download a .zim file of a DevOps Stack Exchange snapshot into the data directory for use with Kiwix
- - cmd: curl https://zarf-examples.s3.amazonaws.com/devops.stackexchange.com_en_all_2023-05.zim -o zim-data/devops.stackexchange.com_en_all_2023-05.zim
+ - cmd: curl https://zarf-remote.s3.us-east-2.amazonaws.com/testdata/devops.stackexchange.com_en_all_2023-05.zim -o zim-data/devops.stackexchange.com_en_all_2023-05.zim
  # Below are some more examples of *.zim files of available content:
  # https://library.kiwix.org/?lang=eng
  # NOTE: If `zarf package create`ing regularly you should mirror content to a web host you control to be a friendly neighbor