99356: Reduce frequency of DR SavedClaim status updater jobs

[dfong-adh]

Summary

This PR changes the frequency and offset of the SavedClaim status updater jobs to reduce the number of requests to the LH API.

• This work is behind a feature toggle (flipper): NO

Related issue(s)

department-of-veterans-affairs/va.gov-team#99356

Testing done

Tested locally.

• New code is covered by unit tests - only updates the periodic job schedule
  The old behavior was to run all status updater jobs hourly - this decreases the frequency of each job to 6 times a day.

What areas of the site does it impact?

Sidekiq jobs to update the SavedClaim table

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 (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

[kayline]

lgtm!