Bump redis from 4.4.2 to 4.5.3#12

dependabot[bot] wants to merge 1 commit intomasteridris-rampurawala/flask-boilerplate:masterfrom

dependabot/pip/redis-4.5.3idris-rampurawala/flask-boilerplate:dependabot/pip/redis-4.5.3Copy head branch name to clipboard