Add documentation for GET, POST, PATCH, and DELETE api/v2/incidents/incident_id/attachments endpoints (DataDog#2819)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v2/openapi.yaml

@@ -0,0 +1,22 @@
+# Create incident attachment returns "Created" response
+
+require "datadog_api_client"
+DatadogAPIClient.configure do |config|
+  config.unstable_operations["v2.create_incident_attachment".to_sym] = true
+end
+api_instance = DatadogAPIClient::V2::IncidentsAPI.new
+
+body = DatadogAPIClient::V2::CreateAttachmentRequest.new({
+  data: DatadogAPIClient::V2::CreateAttachmentRequestData.new({
+    attributes: DatadogAPIClient::V2::CreateAttachmentRequestDataAttributes.new({
+      attachment: DatadogAPIClient::V2::CreateAttachmentRequestDataAttributesAttachment.new({
+        document_url: "https://app.datadoghq.com/notebook/123/Postmortem-IR-123",
+        title: "Postmortem-IR-123",
+      }),
+      attachment_type: DatadogAPIClient::V2::AttachmentDataAttributesAttachmentType::POSTMORTEM,
+    }),
+    id: "00000000-0000-0000-0000-000000000000",
+    type: DatadogAPIClient::V2::IncidentAttachmentType::INCIDENT_ATTACHMENTS,
+  }),
+})
+p api_instance.create_incident_attachment("incident_id", body)

cassettes/features/v2/incidents/Create-an-incident-attachment-returns-OK-response.frozen

@@ -0,0 +1,8 @@
+# Delete incident attachment returns "No Content" response
+
+require "datadog_api_client"
+DatadogAPIClient.configure do |config|
+  config.unstable_operations["v2.delete_incident_attachment".to_sym] = true
+end
+api_instance = DatadogAPIClient::V2::IncidentsAPI.new
+api_instance.delete_incident_attachment("incident_id", "00000000-0000-0000-0000-000000000002")

cassettes/features/v2/incidents/Create-an-incident-attachment-returns-OK-response.yml

@@ -1,4 +1,4 @@
-# Get a list of attachments returns "OK" response
+# List incident attachments returns "OK" response
 
 require "datadog_api_client"
 DatadogAPIClient.configure do |config|

cassettes/features/v2/incidents/Get-incident-attachments-returns-OK-response.frozen

@@ -0,0 +1,20 @@
+# Update incident attachment returns "OK" response
+
+require "datadog_api_client"
+DatadogAPIClient.configure do |config|
+  config.unstable_operations["v2.update_incident_attachment".to_sym] = true
+end
+api_instance = DatadogAPIClient::V2::IncidentsAPI.new
+
+body = DatadogAPIClient::V2::PatchAttachmentRequest.new({
+  data: DatadogAPIClient::V2::PatchAttachmentRequestData.new({
+    attributes: DatadogAPIClient::V2::PatchAttachmentRequestDataAttributes.new({
+      attachment: DatadogAPIClient::V2::PatchAttachmentRequestDataAttributesAttachment.new({
+        document_url: "https://app.datadoghq.com/notebook/124/Postmortem-IR-124",
+        title: "Postmortem-IR-124",
+      }),
+    }),
+    type: DatadogAPIClient::V2::IncidentAttachmentType::INCIDENT_ATTACHMENTS,
+  }),
+})
+p api_instance.update_incident_attachment("incident_id", "00000000-0000-0000-0000-000000000002", body)