Bump pillow from 6.0.0 to 8.1.1 in /opencvlib#4

dependabot[bot] wants to merge 1 commit intomastergmonkman/python:masterfrom

dependabot/pip/opencvlib/pillow-8.1.1gmonkman/python:dependabot/pip/opencvlib/pillow-8.1.1Copy head branch name to clipboard