Fix concurrency exceptions in server detected by load test benchmark with up to 15.000 clients

[friflo]

Fixes:

• fix concurrent access to: Pool.poolMap & NativeValidationSet.validationTypes / .validationTypeDefs
  Revision: 3a2ebfd2130ba17404bb4b2a405508eec2d1c69f

• fix concurrent access (10.000 clients) to: EntityDatabase.containers
  Revision: 63152bd9f54f65d4b34eb3dd38cf95e976528704

• fix concurrent access (10.000 clients) to: requestCounts in ClusterUtils.UpdateCountsMap() - key already existed in the dictionary
  Revision: 7ed99ed757c343420c913fa34e7b4627e544b001

• Remote - fix: enable concurrent access to StaticFileHandler.cache
  Revision: f447468b85a7784fb2fbb61298d74f317c71520a

fixed by
https://github.com/friflo/Friflo.Json.Fliox/releases/tag/v0.12.0