build(deps): bump css-what from 2.1.0 to 6.1.0 in /tools/helpers#6

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dependabot/npm_and_yarn/tools/helpers/css-what-6.1.0CassiaNetworks/bluetooth.tech.github.io:dependabot/npm_and_yarn/tools/helpers/css-what-6.1.0Copy head branch name to clipboard