runCommand for `getMore` does not support comment on version <= 4.4.0

Summary

The server db method runCommand does not support the comment option for the getMore command until 4.4.0. The comment option is made available for all database commands as of 4.4 (release notes).

Motivation

Who is the affected end user?

This is preventing the spec tests defined through DRIVERS-2189 from passing in the GODRIVER-2303 implementation.

How does this affect the end user?

The DBX-go team is blocked by this.

How likely is it that this problem or use case will occur?

Main path

If the problem does occur, what are the consequences and how severe are they?

NA

Is this issue urgent?

NA

Is this ticket required by a downstream team?

No

Is this ticket only for tests?

The ticket would have a functional impact if GODRIVER-2303 were implemented without this change, but for now it is test-specific.