Update webpack-dev-server to fix vulnerability (#10752)
Update webpack-dev-server to fix vulnerability (#10752)

* Update webpack-dev-server to fix vulnerability

* Update packages/gatsby/package.json

gatsbyjs/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby