feat: Support `mode` flag by `cp()` polyfill

[tetsuharuohzeki]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

Node.js v20.1.0 add the support mode flag to fsPromises.cp().

But the current polyfill for cp() implementation has not supported it yet.

fs/lib/cp/index.js

Line 11 in b788931

copy: ['dereference', 'errorOnExist', 'filter', 'force', 'preserveTimestamps', 'recursive'],

Expected Behavior

cp() polyfill should support

Steps To Reproduce

I wrote in the above.

Environment

I wrote in the above.

[tetsuharuohzeki]

The PR for Node.js is nodejs/node#47084