Bump debug, body-parser and serve-static#2

dependabot[bot] wants to merge 1 commit intomasterPlotterClub/penplotPlayground:masterfrom

dependabot/npm_and_yarn/debug-and-body-parser-and-serve-static-2.6.9PlotterClub/penplotPlayground:dependabot/npm_and_yarn/debug-and-body-parser-and-serve-static-2.6.9Copy head branch name to clipboard