Bump mkdocs-material from 9.5.7 to 9.5.9#81

dependabot[bot] wants to merge 1 commit intomainAggify/aggify:mainfrom

dependabot/pip/mkdocs-material-9.5.9Aggify/aggify:dependabot/pip/mkdocs-material-9.5.9Copy head branch name to clipboard