fix(backend): update last_synced_at when data arrives via webhook#590

bartmichalak wants to merge 1 commit intomainthe-momentum/open-wearables:mainfrom

fix/update-last-synced-at-when-data-are-updated-via-garmin-webhooksthe-momentum/open-wearables:fix/update-last-synced-at-when-data-are-updated-via-garmin-webhooksCopy head branch name to clipboard