build(deps): bump debug, compression and serve-index#31

dependabot[bot] wants to merge 1 commit intomasterapplegater/angular-cli:masterfrom

dependabot/npm_and_yarn/debug-and-compression-and-serve-index-2.6.9applegater/angular-cli:dependabot/npm_and_yarn/debug-and-compression-and-serve-index-2.6.9Copy head branch name to clipboard