Bump openpyxl from 3.1.2 to 3.1.5#1977

tykling merged 2 commits intomainbornhack/bornhack-website:mainfrom

dependabot/pip/openpyxl-3.1.5bornhack/bornhack-website:dependabot/pip/openpyxl-3.1.5Copy head branch name to clipboard