message: chore: fix supporter fetching script on node 8
diff: * LICENSE file in the root directory of this source tree.
  */
  -const fs = require('fs').promises;
  +const fs = require('fs');
  +const {promisify} = require('util');
  const {request} = require('graphql-request');
  const path = require('path');
  @@ -34,11 +35,13 @@ const graphqlQuery = `
  }
  `;
  +const writeFile = promisify(fs.writeFile);
  +
  request('https://api.opencollective.com/graphql/v2', graphqlQuery)
  .then(data => {
  const backers = data.account.orders.nodes;
  - return fs.writeFile(
  + return writeFile(
  path.resolve(__dirname, 'backers.json'),
  JSON.stringify(backers)
  );
  