ci: enable cloudflare network policy (staging)
What does this merge request do and why?
Enable network policy to restrict load balancer traffic to Cloudflare IP ranges in staging: For https://gitlab.com/gitlab-com/gl-infra/scalability/-/issues/2719.
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
Merge request checklist
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Tests added for new functionality. If not, please raise an issue to follow up. -
Documentation added/updated, if needed.