Bump async from 2.4.0 to 2.6.4 in /packages/benchmarks-utils#88

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dependabot/npm_and_yarn/packages/benchmarks-utils/async-2.6.4A-gambit/CSS-IN-JS-Benchmarks:dependabot/npm_and_yarn/packages/benchmarks-utils/async-2.6.4Copy head branch name to clipboard