docs(Getting Started): Update npm install for latest pg (#9000)
docs(Getting Started): Update npm install for latest pg (#9000)


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