changelog: Internal, Reporting, Update IRS Authentication Report

[shilenpatel1]

🎫 Ticket

GL-112
Link to the relevant ticket:
LG-XXXXX

🛠 Summary of changes

Write a brief description of what you changed.
--> Update names of the metric in irs_authentication_report
> Change "System and Application Demand" to read "Registration demand"
> Change "System and application errors" to read "Registration failures"
> Change "Authentication attempts" to read "Registration successes"
> Change "Authentication success rate" to read "Registration success rate"
--> Updated the unit tests for irs_authentication_report inside irs_authentication_report_spec.rb file

📜 Testing Plan

Provide a checklist of steps to confirm the changes.

• Step 1 - Run unit tests for spec files in this PR (i.e. bundle exec rspec ./spec/path/to/spec_file)

👀 Screenshots

If relevant, include a screenshot or screen capture of the changes.

Before:

After:

[edimeo-gsa]

Everything looks good to me