[Snyk] Upgrade source-map from 0.5.7 to 0.7.3#9

snyk-bot wants to merge 1 commit intomasterdannybrown13/node:masterfrom

snyk-upgrade-f01921d7cf260dbc5252bc0e1ac58845dannybrown13/node:snyk-upgrade-f01921d7cf260dbc5252bc0e1ac58845Copy head branch name to clipboard