INTEGRATION [PR#1580 > development/2.4] Bump async from 2.1.2 to 2.6.4 in /tests/zenko_tests/node_tests

[bert-e]

This pull request has been created automatically. It is linked to its parent pull request #1580.

Do not edit this pull request directly. If you need to amend/cancel the changeset on branch w/2.4/dependabot/npm_and_yarn/tests/zenko_tests/node_tests/async-2.6.4, please follow this procedure:

 $ git fetch
 $ git checkout w/2.4/dependabot/npm_and_yarn/tests/zenko_tests/node_tests/async-2.6.4
 $ # <amend or cancel the changeset by _adding_ new commits>
 $ git push origin w/2.4/dependabot/npm_and_yarn/tests/zenko_tests/node_tests/async-2.6.4

Please always comment pull request #1580 instead of this one.