Bump google.golang.org/grpc from 1.70.0 to 1.71.0

[dependabot]

Bumps google.golang.org/grpc from 1.70.0 to 1.71.0.

Release notes

Sourced from google.golang.org/grpc's releases.

Release 1.71.0

API Changes

• balancer: Custom LB policies that record metrics must use the new MetricsRecorder method on Balancer.ClientConn instead of the removed Balancer.BuildOptions.MetricsRecorder field to obtain a metrics recorder. (#8027)
• balancer: balancer.ClientConn implementations must now embed a delegate implementation. This allows grpc-go to add new methods to the interface and remain backward compatible. (#8026)
• balancer/endpointsharding: The constructor accepts the child balancer's builder and a struct with optional configuration. (#8052)

New Features

• xds: Add support for dualstack via the additional_addresses field in the Endpoint resource. To disable this feature, set the environment variable GRPC_EXPERIMENTAL_XDS_DUALSTACK_ENDPOINTS=false. (#8134)
• stats/opentelemetry: Add experimental support for OpenTelemetry tracing. (#7852)
• xds/internal/xdsclient: Add counter metrics for valid and invalid resource updates. (#8038)
• balancer/leastrequest, roundrobin: Add dualstack support. (#7969, #7966)
• balancer/endpointsharding: Balancers created with the new DisableAutoReconnect option will not attempt to call ExitIdle automatically on their children when the children report idle. (#8052)

Bug Fixes

• client: Fix support for proxies when using grpc.NewClient so the target is resolved by the proxy as expected. (#7881)
  • Added WithLocalDNSResolution() dial option to explicitly force target resolution on the client instead. (#7881)
• weightedtarget: Return erroring picker when no targets are configured. (#8070)
• xds: Fail RPCs with UNAVAILABLE when the EDS resource is missing or contains no endpoints (#8070)
• xdsclient: Fix a bug where connectivity failures were reported to resource watchers before trying all listed servers. (#8075)
• grpc: Fix the number of bytes reported in the error message when encoded messages are larger than 4GB. (#8033)
• xds: Fixed a bug preventing tests from creating multiple servers or channels with different bootstrap configs. (#8050)
• grpc: Fix message length checks when compression is enabled and maxReceiveMessageSize is MaxInt (#7918)
  • Special Thanks: @​vinothkumarr227

Documentation

• client: Improve documentation of grpc.NewClient and ClientConn.CanonicalTarget by providing examples. (#8078)
• examples/features/dualstack: New example demonstrating usage of endpoints and dualstack functionality. (#8098)

Commits

• d01db5c Change version to 1.71.0 (#8105)
• 012f8bf xds: Enable dualstack flag (#8134)
• bf0c885 examples/features/dualstack: Demonstrate Dual Stack functionality (#8098) (#8...
• 05bdd66 ringhash: Remove TODO comment (#8096)
• ddb2484 xds: remove obsolete xDS transport custom dialer option (#8079)
• 8528f43 cleanup: replace Dial with NewClient (#7975)
• ae2a04f ringhash: Replace DNS resolver before sending xDS Update in test (#8091)
• e55819e lazy: Use channel to wait for resolver error being received in test (#8088)
• b524c08 xdsclient: include xds node ID in errors from the WatchResource API (#8093)
• 91eb6aa client: improve documentation of target strings (#8078)
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[kfswain]

/lgtm
/approve

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