Concurrent access while running the scene garbage collector

[jmderuty]

{
  "message": "An error occurred while running the garbage collector.",
  "data": {
    "content": {
      "location": "host",
      "context": {},
      "message": "An error occurred while running the garbage collector.",
      "data": {
        "Type": "InvalidOperationException",
        "Message": "Collection was modified; enumeration operation may not execute.",
        "Frames": [ "   at System.Collections.Generic.Dictionary`2.ValueCollection.Enumerator.MoveNext()", "   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()", "   at Stormancer.Server.Hosting.Scenes.ScenesGarbageCollector.RunGarbageCollectorAsync(CancellationToken token)" ],
        "InnerExceptions": []
      }
    },
    "app": "/darktales/live-1-0/33e68d95-f3ea-4a81-aae8-645b4a0413aa/27?"
  }
}