Safely run user code in isolated VMs, add isolation tests & result serializer option

[dandelany]

Updates the library to use v8 VM isolates (via the isolated-vm library).

Breaking Changes:

• Node 24 is now required, in order to support latest & most secure v8 features
• VM context argument removed and replaced with new options argument
• User may now pass an additional option to specify a "result serializer" module which will be run on the result of the user's code before returning

Remaining To Do:

• update docs
  • new options object, no context option
  • memory limit option
  • globals option
  • result seralizer
• more function doc strings
• broken unit tests
• out-of-date dependency - stack-trace

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[duranb]

lgtm!

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[dandelany]

Tests and GH scripts are updated and code has been reviewed with @duranb . I'm going to merge it so i can publish it to NPM as v1.0.0-rc0 (with the next tag instead of latest) and integrate with the backend. Will handle remaining minor things in a follow-up.