Bump python from 3.9.6-alpine to 3.14.3-alpine in /backend#158

dependabot[bot] wants to merge 1 commit intomasterCAPTxTreeckle/Treeckle-3.0:masterfrom

dependabot/docker/backend/python-3.14.3-alpineCAPTxTreeckle/Treeckle-3.0:dependabot/docker/backend/python-3.14.3-alpineCopy head branch name to clipboard