Bump systeminformation from 5.7.10 to 5.21.8 in /benchmarks#1249

dependabot[bot] wants to merge 1 commit intomasterlit/lit-element:masterfrom

dependabot/npm_and_yarn/benchmarks/systeminformation-5.21.8lit/lit-element:dependabot/npm_and_yarn/benchmarks/systeminformation-5.21.8Copy head branch name to clipboard