Bump websocket-extensions from 0.1.3 to 0.1.4 in /yknjs/reveal.js#2

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dependabot/npm_and_yarn/yknjs/reveal.js/websocket-extensions-0.1.4elenalind/elenalind.github.io:dependabot/npm_and_yarn/yknjs/reveal.js/websocket-extensions-0.1.4Copy head branch name to clipboard