fix(deps): update dependency grpcio to v1.71.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
grpcio (source)	==1.70.0 -> ==1.71.0

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Release Notes

grpc/grpc (grpcio)

v1.71.0

Compare Source

This is release gRPC Core 1.71.0 (gears).

For gRPC documentation, see grpc.io. For previous releases, see Releases.

This release contains refinements, improvements, and bug fixes.

Core

• [CallAttemptTracer] Fix call attempt tracer lifetimes for retries (#​38729). (#​38796)
• [pick_first] fix bug that caused us to stop triggering connection attempts. (#​38714)
• [CodeGen][CPP] Added support for service "deprecated" option. (#​38493)
• [EventEngine] Add SetDefaultEventEngine API (and friends). (#​38316)

C++

• [build] Restrict grpc++_public_hdrs target to internal visibility. (#​38646)
• [Doc] Added C++17 cmake option. (#​38432)

Python

• [CI] Drop Python 3.8. (#​38747)
• [Python] Support musl-linux binary wheels on arm64. (#​38223)

Ruby

• [ruby] Build/test ruby 3.4 and build native gems with Ruby 3.4 support. (#​38338)

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