build(deps): bump python from 3.9.2-slim to 3.9.4-slim in /bot#883

dependabot[bot] wants to merge 1 commit intomastermozilla/code-coverage:masterfrom

dependabot/docker/bot/python-3.9.4-slimmozilla/code-coverage:dependabot/docker/bot/python-3.9.4-slimCopy head branch name to clipboard