Currently it is documented that the backup and restore roles will have the privileges required to run mongodump / mongorestore against all databases.
If set, defaultReadMaxTimeMS will affect the queries run by tools like mongodump when reading data to backup/restore.

We should add bypassDefaultMaxTimeMS by default to the backup and restore roles to adhere to the current expectations from these roles. This would also save users a couple of extra steps when they run into timeouts related to the max default read time when running backups.