Document multiple case-management endpoints

[api-clients-generation-pipeline]

See DataDog/datadog-api-spec#4191 Test branch datadog-api-spec/test/paul.venard/document-casem-endpoints

[datadog-official]

⚠️ Tests

⚠️ Warnings

🧪 3 Tests failed

    Comment case returns "OK" response from Case Management at features/v2/case_management.feature

    Comment case returns "OK" response from Case Management at features/v2/case_management.feature

Comment case returns "OK" response from Case Management at features/v2/case_management.feature (Datadog)

There are unused HTTP interactions left in the cassette:
  - [delete https://api.datadoghq.com/api/v2/cases/a5d60060-c004-4eaa-932a-8107847feda4/comment/ea039a22-2da2-43fe-b2ec-71b7c4091459] => [204 ""]

ℹ️ Info

❄️ No new flaky tests detected

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