CloudWatch/Athena - valid metrics and dimensions. (#28436)

* CloudWatch/Athena - valid metrics and dimensions.
In accordance with https://docs.aws.amazon.com/athena/latest/ug/query-metrics-viewing.html.

* Athena: add ProcessedBytes dimension instead of DataScannedInBytes

pkg/tsdb/cloudwatch/metric_find_query.go

@@ -48,7 +48,7 @@ var metricsMap = map[string][]string{
 	"AWS/AppStream":               {"ActualCapacity", "AvailableCapacity", "CapacityUtilization", "DesiredCapacity", "InUseCapacity", "InsufficientCapacityError", "PendingCapacity", "RunningCapacity"},
 	"AWS/AppSync":                 {"4XXError", "5XXError", "Latency"},
 	"AWS/ApplicationELB":          {"ActiveConnectionCount", "ClientTLSNegotiationErrorCount", "ConsumedLCUs", "ELBAuthError", "ELBAuthFailure", "ELBAuthLatency", "ELBAuthRefreshTokenSuccess", "ELBAuthSuccess", "ELBAuthUserClaimsSizeExceeded", "HTTPCode_ELB_3XX_Count", "HTTPCode_ELB_4XX_Count", "HTTPCode_ELB_5XX_Count", "HTTPCode_Target_2XX_Count", "HTTPCode_Target_3XX_Count", "HTTPCode_Target_4XX_Count", "HTTPCode_Target_5XX_Count", "HTTP_Fixed_Response_Count", "HTTP_Redirect_Count", "HTTP_Redirect_Url_Limit_Exceeded_Count", "HealthyHostCount", "IPv6ProcessedBytes", "IPv6RequestCount", "LambdaInternalError", "LambdaTargetProcessedBytes", "LambdaUserError", "NewConnectionCount", "NonStickyRequestCount", "ProcessedBytes", "RejectedConnectionCount", "RequestCount", "RequestCountPerTarget", "RuleEvaluations", "StandardProcessedBytes", "TargetConnectionErrorCount", "TargetResponseTime", "TargetTLSNegotiationErrorCount", "UnHealthyHostCount"},
-	"AWS/Athena":                  {"DataScannedInBytes", "EngineExecutionTime", "QueryPlanningTime", "QueryQueueTime", "QueryState", "QueryType", "ServiceProcessingTime", "TotalExecutionTime", "WorkGroup"},
+	"AWS/Athena":                  {"EngineExecutionTime", "QueryPlanningTime", "QueryQueueTime", "ProcessedBytes", "ServiceProcessingTime", "TotalExecutionTime"},
 	"AWS/AutoScaling":             {"GroupDesiredCapacity", "GroupInServiceInstances", "GroupMaxSize", "GroupMinSize", "GroupPendingInstances", "GroupStandbyInstances", "GroupTerminatingInstances", "GroupTotalInstances"},
 	"AWS/Billing":                 {"EstimatedCharges"},
 	"AWS/Chatbot":                 {"EventsThrottled", "EventsProcessed", "MessageDeliverySuccess", "MessageDeliveryFailure", "UnsupportedEvents"},
@@ -143,6 +143,7 @@ var dimensionsMap = map[string][]string{
 	"AWS/AppStream":               {"Fleet"},
 	"AWS/AppSync":                 {"GraphQLAPIId"},
 	"AWS/ApplicationELB":          {"AvailabilityZone", "LoadBalancer", "TargetGroup"},
+	"AWS/Athena":                  {"QueryState", "QueryType", "WorkGroup"},
 	"AWS/AutoScaling":             {"AutoScalingGroupName"},
 	"AWS/Billing":                 {"Currency", "LinkedAccount", "ServiceName"},
 	"AWS/Chatbot":                 {"ConfigurationName"},