fix(deps): update module google.golang.org/grpc to v1.72.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google.golang.org/grpc	v1.71.1 -> v1.72.0

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Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.72.0: Release 1.72.0

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Dependencies

• Minimum supported Go version is now 1.23 (#​8108)

API Changes

• resolver: add experimental AddressMapV2 with generics to ultimately replace AddressMap. Deprecate AddressMap for deletion (#​8187)
• resolver: convert EndpointMap in place to use generics (#​8189)

New Features

• xds: add grpc.xds_client.server_failure counter metric on xDS client to record connectivity errors (#​8203)
• balancer/rls: allow maxAge to exceed 5 minutes if staleAge is set in the LB policy configuration (#​8137)
• ringhash: implement gRFC A76 improvements. (#​8159)

Bug Fixes

• xds: fix support for circuit breakers and load reporting in LOGICAL_DNS clusters (#​8169, #​8170)
• cds: improve RPC error messages when resources are not found (#​8122)
• priority: fix race that could leak balancers and goroutines during shutdown (#​8095)
• stats/opentelemetry: fix trace attributes message sequence numbers to start from 0 (#​8237)
• balancer/pickfirstleaf: fix panic if deprecated Address.Metadata field is set to a non-comparable value by ignoring the field (#​8227)

Behavior Changes

• transport: make servers send an HTTP/2 RST_STREAM frame to cancel a stream when the deadline expires (#​8071)

Documentation

• stats: clarify the expected sequence of events on a stats handler (#​7885)
  • Special Thanks: @​RyanBlaney

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