Add duration logging to LocalBGS service

[cilestin]

Summary

Adds duration logging to connection & parsing calls in the ClaimsApi::LocalBGS service.
Includes rails logging & statsd measuring

Related issue(s)

https://vajira.max.gov/browse/API-22589

Testing done

• Local running & unit test creation

What areas of the site does it impact?

LocalBGS service, currently gated behind a feature flag

Acceptance criteria

• I fixed|updated|added unit tests and integration tests for each feature (if applicable).
• No error nor warning in the console.
• Events are being sent to the appropriate logging solution
• Documentation has been updated (link to documentation)
• No sensitive information (i.e. PII/credentials/internal URLs/etc.) is captured in logging, hardcoded, or specs
• Feature/bug has a monitor built into Datadog or Grafana (if applicable)
• If app impacted requires authentication, did you login to a local build and verify all authenticated routes work as expected
• I added a screenshot of the developed feature

[FonzMP]