docs(migrations): fix config.json example (#8986)
docs(migrations): fix config.json example (#8986)


inDream/sequelize,yonjah/sequelize,jayprakash1/sequelize,Alexsey/sequelize,Americas/sequelize,sequelize/sequelize,sequelize/sequelize,yjwong/sequelize,overlookmotel/sequelize,mikeringrose/sequelize,sequelize/sequelize,Americas/sequelize,overlookmotel/sequelize,inDream/sequelize,jayprakash1/sequelize,majorleaguesoccer/sequelize