Add OpenAPI spec for Dashboard Secure Embed endpoints (#3948)

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

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

.generator/schemas/v2/openapi.yaml

@@ -719,6 +719,10 @@ func NewConfiguration() *Configuration {
 			"v2.SearchSecurityMonitoringHistsignals":     false,
 			"v2.GetCodeCoverageBranchSummary":            false,
 			"v2.GetCodeCoverageCommitSummary":            false,
+			"v2.CreateDashboardSecureEmbed":              false,
+			"v2.DeleteDashboardSecureEmbed":              false,
+			"v2.GetDashboardSecureEmbed":                 false,
+			"v2.UpdateDashboardSecureEmbed":              false,
 			"v2.CreateDataset":                           false,
 			"v2.DeleteDataset":                           false,
 			"v2.GetAllDatasets":                          false,