[Tests] skip engines check for now

via readable-stream v3 and browserify-sign, we are breaking support for node < 6 at the moment

Author: ljharb

.github/workflows/node-pretest.yml

@@ -5,3 +5,5 @@ on: [pull_request, push]
 jobs:
   tests:
     uses: ljharb/actions/.github/workflows/pretest.yml@main
+    with:
+      skip-engines: true # see https://github.com/browserify/browserify-sign/pull/49