[BenColeCode]

JIRA Ticket:
BB2-5332

What Does This PR Do?

Adds status code logging to relationships endpoint

What Should Reviewers Watch For?

Does this log the status of requests?

If you're reviewing this PR, please check for these things in particular:

Validation

make a request to the endpoint and check the logs

What Security Implications Does This PR Have?

Please indicate if this PR does any of the following:

• Adds any new software dependencies
• Modifies any security controls
• Adds new transmission or storage of data
• Any other changes that could possibly affect security?

• Yes, one or more of the above security implications apply. This PR must not be merged without the ISSO or team
  security engineer's approval.

Any Migrations?

• Yes, there are migrations
  • The migrations should be run PRIOR to the code being deployed
  • The migrations should be run AFTER the code is deployed
  • There is a more complicated migration plan (downtime,
    etc)
• No migrations

[JamesDemeryNava]

Let's update this so it aligns with how other logs output 'response_code', and also some indication that it's the status_code for the relationships retrieval call

[JamesDemeryNava]

Log appears as expected, let's add some more detail and conform with logging patterns.