src: replace `kPathSeparator` with std::filesystem
We don't need kPathSeparator
anymore since std::filesystem::path::preferred_separator
exists.
cc @nodejs/cpp-reviewers @nodejs/fs
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Do not update/delete: Notification broadcast message test data
We don't need kPathSeparator
anymore since std::filesystem::path::preferred_separator
exists.
cc @nodejs/cpp-reviewers @nodejs/fs