Bump xmldom and lighthouse in /frontend#40

dependabot[bot] wants to merge 1 commit intomasterdevicezero/platformsh-frontend-performance:masterfrom

dependabot/npm_and_yarn/frontend/xmldom-and-lighthouse--removeddevicezero/platformsh-frontend-performance:dependabot/npm_and_yarn/frontend/xmldom-and-lighthouse--removedCopy head branch name to clipboard