Bump babel from 2.5.3 to 2.9.1 in /celery-queue#2

dependabot[bot] wants to merge 1 commit intomastergeoffreyaldebert/backend-flask-celery-redis:masterfrom

dependabot/pip/celery-queue/babel-2.9.1geoffreyaldebert/backend-flask-celery-redis:dependabot/pip/celery-queue/babel-2.9.1Copy head branch name to clipboard