[Snyk] Security upgrade middleman from 3.4.1 to 3.4.1#32

snyk-bot wants to merge 1 commit intomasterpeternewman/docs-travis-ci-com:masterfrom

snyk-fix-589f25614e4c9fbc40329fc56184e1c6peternewman/docs-travis-ci-com:snyk-fix-589f25614e4c9fbc40329fc56184e1c6Copy head branch name to clipboard