node: warn for Object.prototype.__* accessors common in security warnings

These accessors cause too much noise in npm security audits for the ecosystem, we should start a path to removal. Figuring out/warning on usage seems a good first step prior to actual removal. This would also be a way to verify that a security audit warning actually is affecting something rather than being false positives. These are optional/legacy in the JS language specification https://tc39.es/ecma262/#sec-object.prototype-legacy-accessor-methods