API-23273-Changes description to include new status of 'canceled'.

[stiehlrod]

Summary

• Changes description to include new status of 'canceled'.

Related issue(s)

• API-24397

Testing done

• bundle exec rake rswag:claims_api:build
• bundle exec rspec modules/claims_api/spec/
• Dev docs: test rswag docs

Screenshots

What areas of the site does it impact?

vets-api OAS description of claim statuses

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