Bump debian from bullseye-20220418-slim to bullseye-20220822-slim in /dev/ci/docker_linux#4

dependabot[bot] wants to merge 1 commit intomasterloic-sharma/flutter:masterfrom

dependabot/docker/dev/ci/docker_linux/debian-bullseye-20220822-slimloic-sharma/flutter:dependabot/docker/dev/ci/docker_linux/debian-bullseye-20220822-slimCopy head branch name to clipboard