Add OpenAPI specification for ServiceNow integration (#3627)

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

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

.generator/schemas/v2/openapi.yaml

@@ -759,6 +759,15 @@ func NewConfiguration() *Configuration {
 			"v2.ListJiraAccounts":                        false,
 			"v2.ListJiraIssueTemplates":                  false,
 			"v2.UpdateJiraIssueTemplate":                 false,
+			"v2.CreateServiceNowTemplate":                false,
+			"v2.DeleteServiceNowTemplate":                false,
+			"v2.GetServiceNowTemplate":                   false,
+			"v2.ListServiceNowAssignmentGroups":          false,
+			"v2.ListServiceNowBusinessServices":          false,
+			"v2.ListServiceNowInstances":                 false,
+			"v2.ListServiceNowTemplates":                 false,
+			"v2.ListServiceNowUsers":                     false,
+			"v2.UpdateServiceNowTemplate":                false,
 			"v2.AddRoleToRestrictionQuery":               false,
 			"v2.CreateRestrictionQuery":                  false,
 			"v2.DeleteRestrictionQuery":                  false,