[Snyk] Upgrade botframework-webchat from 4.17.0 to 4.18.0#2065

DevangPatelUK wants to merge 1 commit intomainDevangPatelUK/BotFramework-WebChat:mainfrom

snyk-upgrade-11166fd93664969e8289ffd18711437bDevangPatelUK/BotFramework-WebChat:snyk-upgrade-11166fd93664969e8289ffd18711437bCopy head branch name to clipboard