Bump python from 3.10-slim to 3.11-slim in /backend#6

dependabot[bot] wants to merge 1 commit intomainRolnickLab/antenna:mainfrom

dependabot/docker/backend/python-3.11-slimRolnickLab/antenna:dependabot/docker/backend/python-3.11-slimCopy head branch name to clipboard