[Snyk] Security upgrade gatsby from 2.18.18 to 2.31.0#32

Open

snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-1253b17f3f86579cdda3315dc5cef082

+8,499-3,854

Commits on Sep 6, 2021

fix: deps/npm/docs/package.json & deps/npm/docs/package-lock.json to reduce vulnerabilities
snyk-bot
committed