[Obs Onboarding][Auto Detect] Fix auto detect script failing on systems with older curl versions#214552

mykolaharmash merged 2 commits intoelastic:mainelastic/kibana:mainfrom

mykolaharmash:212075-observability-onboarding-auto-detect-flow-fails-with-old-curl-versionmykolaharmash/kibana:212075-observability-onboarding-auto-detect-flow-fails-with-old-curl-versionCopy head branch name to clipboard