[authn] adding appPlatformAccessTokens featureflag (#92991)

Co-authored-by: Gabriel MABILLE <gamab@users.noreply.github.com>

pkg/services/featuremgmt/toggles_gen.json

@@ -336,6 +336,20 @@
         "expression": "true"
       }
     },
+    {
+      "metadata": {
+        "name": "appPlatformAccessTokens",
+        "resourceVersion": "1725549369316",
+        "creationTimestamp": "2024-09-05T15:16:09Z"
+      },
+      "spec": {
+        "description": "Enables the use of access tokens for the App Platform",
+        "stage": "experimental",
+        "codeowner": "@grafana/identity-access-team",
+        "hideFromAdminPage": true,
+        "hideFromDocs": true
+      }
+    },
     {
       "metadata": {
         "name": "authAPIAccessTokenAuth",