Bump sequelize from 5.8.9 to 5.15.1 in /sequalizeclass#1

dependabot[bot] wants to merge 1 commit intomastersgoldfarb2/postgres:masterfrom

dependabot/npm_and_yarn/sequalizeclass/sequelize-5.15.1sgoldfarb2/postgres:dependabot/npm_and_yarn/sequalizeclass/sequelize-5.15.1Copy head branch name to clipboard