[Snyk] Security upgrade @actions/core from 1.2.4 to 1.2.6#4

Open

snyk-bot wants to merge 1 commit intomasterfrom

snyk-fix-c913a05366355b4d6adeb8595c81a2a5

Commits on Oct 3, 2020

fix: package.json & package-lock.json to reduce vulnerabilities
snyk-bot
committed