Bump opencv-python from 3.4.2.17 to 3.4.7.28 in /requirements#17

dependabot[bot] wants to merge 1 commit intomasterocampor/notebooks:masterfrom

dependabot/pip/requirements/opencv-python-3.4.7.28ocampor/notebooks:dependabot/pip/requirements/opencv-python-3.4.7.28Copy head branch name to clipboard