generateFaviconTag(favicon) {
    return [
      {
        tagName: "link",
        voidTag: true,
        meta: { plugin: "html-webpack-plugin" },
        attributes: {
          rel: "icon",
          href: favicon,
        },
      },
    ];
  }
Generate a favicon tag for the given file path

@private
@param {string} favicon
@returns {Array<HtmlTagObject>}