[jb-gha] improve nightly script and update file structure #20220
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Description
Related Issue(s)
Fixes ENT-779
How to test
Preview Env
2024.2.2 RChttps://gitpod.slack.com/archives/C072VMHM685/p1726312111999609GHA
Documentation
Preview status
Gitpod was successfully deployed to your preview environment.
Build Options
/hold