chore(package): explicitly declare js module type

[Fdawgs]

Node 21.1.0 added a flag to detect module types that became enabled by default in Node 22.7.0.
Declaring the type will cause Node to skip detection on startup, reducing startup time.

Declaring the package type is also considered good practice according to https://nodejs.org/api/modules.html#enabling.

[owlstronaut]

Hello @Fdawgs, thank you very much for taking the time to contribute and for your suggestion. After reviewing the change, we’ve determined that adding "type": "commonjs" isn’t necessary for our tooling. Since Node.js already treats .js files as CommonJS by default (when no "type" field is present) and because our performance and compatibility aren’t impacted in this case, incorporating this change would only add extra complexity to our toolchain without any clear benefit.

More on the matter here: https://nodejs.org/en/blog/release/v22.7.0#module-syntax-detection-is-now-enabled-by-default

Syntax detection should have no performance impact on CommonJS modules

[Fdawgs]

No worries, thanks for the response!