[Snyk] Security upgrade npm from 2.15.12 to 7.21.0#23

snyk-bot wants to merge 1 commit intomasterisp1r0/bitcore-node:masterfrom

snyk-fix-ea50a24041c3ae692be96299c17c8805isp1r0/bitcore-node:snyk-fix-ea50a24041c3ae692be96299c17c8805Copy head branch name to clipboard