Add OpenAPI spec for Bits AI SRE investigations (DataDog#3921)

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

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

.generator/schemas/v2/openapi.yaml

@@ -668,6 +668,9 @@ func NewConfiguration() *Configuration {
 			"v2.GetOpenAPI":                              false,
 			"v2.ListAPIs":                                false,
 			"v2.UpdateOpenAPI":                           false,
+			"v2.GetInvestigation":                        false,
+			"v2.ListInvestigations":                      false,
+			"v2.TriggerInvestigation":                    false,
 			"v2.CreateCaseJiraIssue":                     false,
 			"v2.CreateCaseNotebook":                      false,
 			"v2.CreateCaseServiceNowTicket":              false,
@@ -682,11 +685,9 @@ func NewConfiguration() *Configuration {
 			"v2.UpdateChangeRequest":                     false,
 			"v2.UpdateChangeRequestDecision":             false,
 			"v2.DeleteTestOptimizationServiceSettings":   false,
-			"v2.GetFlakyTestsManagementPolicies":         false,
 			"v2.GetTestOptimizationServiceSettings":      false,
 			"v2.SearchFlakyTests":                        false,
 			"v2.UpdateFlakyTests":                        false,
-			"v2.UpdateFlakyTestsManagementPolicies":      false,
 			"v2.UpdateTestOptimizationServiceSettings":   false,
 			"v2.CreateAWSCloudAuthPersonaMapping":        false,
 			"v2.DeleteAWSCloudAuthPersonaMapping":        false,