[DevOps] Deploy staging frontend on fly

[jji05]

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

Describe the solution you'd like

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Additional context

Acceptance Criteria

BEFORE MERGING

• Acceptance criteria met
• PR Reviewed (For non-trivial changes)
• Changes tested after rebasing on master or merging in master (hint: git fetch origin master:master, then git rebase master or git merge master)
• All required PR checks passing