Usage Stats: Update known datasource plugins (#17787)

pkg/models/datasource.go

@@ -24,6 +24,7 @@ const (
 	DS_ACCESS_PROXY  = "proxy"
 	DS_STACKDRIVER   = "stackdriver"
 	DS_AZURE_MONITOR = "grafana-azure-monitor-datasource"
+	DS_LOKI          = "loki"
 )
 
 var (
@@ -95,6 +96,7 @@ var knownDatasourcePlugins = map[string]bool{
 	DS_MSSQL:                                 true,
 	DS_STACKDRIVER:                           true,
 	DS_AZURE_MONITOR:                         true,
+	DS_LOKI:                                  true,
 	"opennms":                                true,
 	"abhisant-druid-datasource":              true,
 	"dalmatinerdb-datasource":                true,
@@ -113,6 +115,9 @@ var knownDatasourcePlugins = map[string]bool{
 	"monasca-datasource":                     true,
 	"vertamedia-clickhouse-datasource":       true,
 	"alexanderzobnin-zabbix-datasource":      true,
+	"grafana-influxdb-flux-datasource":       true,
+	"doitintl-bigquery-datasource":           true,
+	"grafana-azure-data-explorer-datasource": true,
 }
 
 func IsKnownDataSourcePlugin(dsType string) bool {