Add Fly.io deployment workflow for private-location app (#1758)
* Initial plan
* Add GitHub workflow for deploying private-location app
Co-authored-by: thibaultleouay <13894054+thibaultleouay@users.noreply.github.com>
* Add explicit permissions to deploy-private-location workflow
Co-authored-by: thibaultleouay <13894054+thibaultleouay@users.noreply.github.com>
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: thibaultleouay <13894054+thibaultleouay@users.noreply.github.com>
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