Bump engine.io, browser-sync and karma#49

dependabot[bot] wants to merge 1 commit intomasterBrewBench/monitor:masterfrom

dependabot/npm_and_yarn/engine.io-and-browser-sync-and-karma-6.2.1BrewBench/monitor:dependabot/npm_and_yarn/engine.io-and-browser-sync-and-karma-6.2.1Copy head branch name to clipboard