Bump handlebars from 4.1.0 to 4.7.6 in /go-ethereum/dashboard/assets#6

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dependabot/npm_and_yarn/go-ethereum/dashboard/assets/handlebars-4.7.6OSUSecLab/TxSpector:dependabot/npm_and_yarn/go-ethereum/dashboard/assets/handlebars-4.7.6Copy head branch name to clipboard