[Snyk] Upgrade ethers from 5.5.3 to 5.6.8#247

snyk-bot wants to merge 1 commit intomasterConsensys/orchestrate-node:masterfrom

snyk-upgrade-6aa6573c2f25b06044f8e837759a669eConsensys/orchestrate-node:snyk-upgrade-6aa6573c2f25b06044f8e837759a669eCopy head branch name to clipboard