Bump pytest-cov from 3.0.0 to 4.0.0#64

dependabot[bot] wants to merge 1 commit intomasterpython-gino/gino-quart:masterfrom

dependabot/pip/pytest-cov-4.0.0python-gino/gino-quart:dependabot/pip/pytest-cov-4.0.0Copy head branch name to clipboard