doc: add lint disabling comment for collaborator list

Disable linting for prohibited strings in the collaborator list so that
sam-github does not have to be sam-GitHub.

Refs: https://github.com/nodejs/remark-preset-lint-node/pull/96


Signed-off-by: Rich Trott <rtrott@gmail.com>

PR-URL: https://github.com/nodejs/node/pull/33719


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>