[Snyk] Upgrade source-map-support from 0.5.12 to 0.5.21#2

helsont wants to merge 1 commit intomastertry-keep/ts-node-dev:masterfrom

snyk-upgrade-51b5d5e8d84ff3126e3a5d822da6769ftry-keep/ts-node-dev:snyk-upgrade-51b5d5e8d84ff3126e3a5d822da6769fCopy head branch name to clipboard