build(deps): bump json5, babel-loader, karma-webpack, string-replace-loader, webpack and webpack-cli#23

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dependabot/npm_and_yarn/json5-and-babel-loader-and-karma-webpack-and-string-replace-loader-and-webpack-and-webpack-cli-2.2.2avstack/lib-jitsi-meet:dependabot/npm_and_yarn/json5-and-babel-loader-and-karma-webpack-and-string-replace-loader-and-webpack-and-webpack-cli-2.2.2Copy head branch name to clipboard