Bump ffi from 1.9.3 to 1.15.5 in /server/serve/build/serve#7

dependabot[bot] wants to merge 1 commit intomastercoducer/coducer.github.io:masterfrom

dependabot/bundler/server/serve/build/serve/ffi-1.15.5coducer/coducer.github.io:dependabot/bundler/server/serve/build/serve/ffi-1.15.5Copy head branch name to clipboard