meta: fix codeowners docs path

s/docs/doc/g
Signed-off-by: Mary Marchini <mmarchini@netflix.com>

PR-URL: https://github.com/nodejs/node/pull/34811


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>