Bump sequelize and dataloader-sequelize in /examples/graphql-yoga#20

dependabot[bot] wants to merge 1 commit intomaster24601/graphql-sequelize:masterfrom

dependabot/npm_and_yarn/examples/graphql-yoga/sequelize-and-dataloader-sequelize-6.28.224601/graphql-sequelize:dependabot/npm_and_yarn/examples/graphql-yoga/sequelize-and-dataloader-sequelize-6.28.2Copy head branch name to clipboard