build(deps): bump engine.io and browser-sync in /project#33

dependabot[bot] wants to merge 1 commit intomastergooglecodelabs/sw-precache-to-workbox:masterfrom

dependabot/npm_and_yarn/project/engine.io-and-browser-sync-6.2.1googlecodelabs/sw-precache-to-workbox:dependabot/npm_and_yarn/project/engine.io-and-browser-sync-6.2.1Copy head branch name to clipboard