Chore: Lift pluginsFrontendSandbox feature toggle to the next stage (#98789)

Move pluginsFrontendSandbox feature toggle to the next stage

pkg/services/featuremgmt/registry.go

@@ -393,7 +393,7 @@ var (
 		{
 			Name:        "pluginsFrontendSandbox",
 			Description: "Enables the plugins frontend sandbox",
-			Stage:       FeatureStageExperimental,
+			Stage:       FeatureStagePrivatePreview,
 			Owner:       grafanaPluginsPlatformSquad,
 		},
 		{

pkg/services/featuremgmt/toggles_gen.csv

@@ -51,7 +51,7 @@ faroDatasourceSelector,preview,@grafana/app-o11y,false,false,true
 enableDatagridEditing,preview,@grafana/dataviz-squad,false,false,true
 extraThemes,experimental,@grafana/grafana-frontend-platform,false,false,true
 lokiPredefinedOperations,experimental,@grafana/observability-logs,false,false,true
-pluginsFrontendSandbox,experimental,@grafana/plugins-platform-backend,false,false,false
+pluginsFrontendSandbox,privatePreview,@grafana/plugins-platform-backend,false,false,false
 frontendSandboxMonitorOnly,experimental,@grafana/plugins-platform-backend,false,false,true
 pluginsDetailsRightPanel,experimental,@grafana/plugins-platform-backend,false,false,true
 sqlDatasourceDatabaseSelection,preview,@grafana/dataviz-squad,false,false,true

pkg/services/featuremgmt/toggles_gen.json

@@ -2846,15 +2846,15 @@
     {
       "metadata": {
         "name": "pluginsFrontendSandbox",
-        "resourceVersion": "1728388793917",
+        "resourceVersion": "1736502809108",
         "creationTimestamp": "2023-06-05T08:51:36Z",
         "annotations": {
-          "grafana.app/updatedTimestamp": "2024-10-08 11:59:53.917243 +0000 UTC"
+          "grafana.app/updatedTimestamp": "2025-01-10 09:53:29.108375 +0000 UTC"
         }
       },
       "spec": {
         "description": "Enables the plugins frontend sandbox",
-        "stage": "experimental",
+        "stage": "privatePreview",
         "codeowner": "@grafana/plugins-platform-backend"
       }
     },