Change RCC GCP:01 setpoint

[jozamudi]

Description

Allow for user define setpoint for RCC gauge interlock value.

Motivation and Context

https://jira.slac.stanford.edu/browse/ECS-3806

How Has This Been Tested?

Where Has This Been Documented?

Screenshots (if appropriate):

Pre-merge checklist

• [x] Code works interactively
• [x] Code contains descriptive comments
• [x] Test suite passes locally
• [x] Libraries are set to fixed versions and not Always Newest
• [x] Code committed with pre-commit (alternatively pre-commit run --all-files)