* Connection pooling in GRPC
* Undo auto formattings
* Make next_grpc_client() protected
* Prevent partial initialization of grpc clients on channel creation error
* also apply pool_size to rest client
* Fix using non clamped pool_size in httpx
* Review remarks
* fix: fix minor things (#1075)
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Co-authored-by: George <george.panchuk@qdrant.tech>
