This adds attributions for the getColorDepth function as it got
inspired by https://github.com/chalk/supports-color and more sources.
PR-URL: https://github.com/nodejs/node/pull/19730
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
