[Snyk] Security upgrade @parity/ui from 3.1.9 to 3.1.15#15

Open

baophucct wants to merge 1 commit intomasterfrom

snyk-fix-f0a23853bfd893c3bd365ed512ed1d2a

Commits on Feb 13, 2021

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