Bump pillow from 5.2.0 to 8.3.2 in /api#29

dependabot[bot] wants to merge 1 commit intomasterMachine-Learning-Tokyo/MLTx2020:masterfrom

dependabot/pip/api/pillow-8.3.2Machine-Learning-Tokyo/MLTx2020:dependabot/pip/api/pillow-8.3.2Copy head branch name to clipboard