Bump async from 2.1.5 to 2.6.4 in /web/static/assets/lib/browserfs/1.4.3#14

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dependabot/npm_and_yarn/web/static/assets/lib/browserfs/1.4.3/async-2.6.4plotdb/pug-browser:dependabot/npm_and_yarn/web/static/assets/lib/browserfs/1.4.3/async-2.6.4Copy head branch name to clipboard