fix: Reintroduce babel transcompiler

[dplewis]

New Pull Request Checklist

• I am not disclosing a vulnerability.
• I am creating this PR in reference to an issue.

Issue Description

The server isn't compatible with ES6 modules. This PR transcompiles the project to CommonJS. In the future we could look into rollup as we might have to do this with the JS SDK.

https://github.com/parse-community/parse-server/actions/runs/9831140057/job/27138118586?pr=9182

Approach

• Tested in Production
• Fixes Runtime Generator not found error
• Runs tests against lib instead of src
• Use nyc for coverage
• Use latest version of Babel

[parse-github-assistant]

Thanks for opening this pull request!

• ❌ Please link an issue that describes the reason for this pull request, otherwise your pull request will be closed. Make sure to write it as Closes: #123 in the PR description, so I can recognize it.

[mtrezza]

See parse-community/parse-server#9182 (comment)

[mtrezza]

So this can be closed thanks to parse-community/parse-server#9182 (comment), right?

[dplewis]

Yeah