[Snyk] Upgrade gatsby from 2.15.36 to 2.18.4#1

snyk-bot wants to merge 1 commit intomasterdyna-dot/apollo-client:masterfrom

snyk-upgrade-56fa9f0bff48471b5bb91c80f8bd00e5dyna-dot/apollo-client:snyk-upgrade-56fa9f0bff48471b5bb91c80f8bd00e5Copy head branch name to clipboard