[Snyk] Upgrade socket.io from 2.3.0 to 2.5.1#8

RobMakesThings wants to merge 1 commit intomasterRobMakesThings/interactivevisualsbubbles:masterfrom

snyk-upgrade-500c9ceb8b6fe34b015b233c7bbdec48RobMakesThings/interactivevisualsbubbles:snyk-upgrade-500c9ceb8b6fe34b015b233c7bbdec48Copy head branch name to clipboard