feat: migrate from home-rolled to standard gRPC middleware #683
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The home-rolled middleware was introduced before the standard `otelgrpc.NewClientHandler()` and `otelgrpc.NewServerHandler()` were available. The standard middleware measures the same things as the home-rolled one (request count and request duration) and a few other metrics (such as request/response size histograms).
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The home-rolled middleware was introduced before the standard
otelgrpc.NewClientHandler()andotelgrpc.NewServerHandler()wereavailable.
The standard middleware measures the same things as the home-rolled one
(request count and request duration) and a few other metrics
(such as request/response size histograms).