Update `require-in-the-middle` with suggested changes

[jsumners-nr]

The ritm team has suggestions that should solve our issues with the module. Someone needs to do the work, and I think we are the appropriate people to do it. See nodejs/require-in-the-middle#88 (comment) for details.

[workato-integration]

https://new-relic.atlassian.net/browse/NR-284680