Fix: GetFeatureFlags doesn't need any authentication (#298)

So it's allowed to call without being authenticated.

Author: Robert-Stam

gen/go/qdrant/cloud/ui/v1/featureflags.pb.go

@@ -9,10 +9,10 @@ import "qdrant/cloud/common/v1/common.proto";
 service FeatureFlagsService {
   // Gets the feature flags for the UI.
   // Required permissions:
-  // - authenticated only
+  // - None: no authentication required
   rpc GetFeatureFlags(GetFeatureFlagsRequest) returns (GetFeatureFlagsResponse) {
-    // permissions
-    option (common.v1.permissions) = "";
+    // authentication not required
+    option (qdrant.cloud.common.v1.requires_authentication) = false;
     // custom account-id expression
     option (qdrant.cloud.common.v1.account_id_expression) = ""; // not relevant for this method
     // gRPC Gateway REST call