Make nodeJS a proper dependency of snarkyjs integration test

[mitschabaude]

• in the snarkyjs integration test, we call a nodeJS script from the test_executive, to invoke SnarkyJS to create a transaction.
  • Note: This is the closest to an e2e test for zkApps we have right now, in Mina's CI.
• when setting up the integration test, we just copy over the nodeJS executable to the machine that runs the test_executive. so, nodeJS isn't a proper dependency. it used to work by luck basically (sorry.. I didn't find another solution at the time).
• But now it stopped working. We get the following when calling node:

  $stderr = "./src/lib/snarky_js_bindings/test_module/node: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.28' not found (required by ./src/lib/snarky_js_bindings/test_module/node)\n"

It seems to me that to solve this, we need to find a proper way to ensure nodeJS is available on the machine that runs the integration test.

[mitschabaude]

I guess this is resolved by different means now