fix(deps): update module google.golang.org/grpc to v1.79.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
google.golang.org/grpc	v1.78.0 → v1.79.0

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Warning

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Release Notes

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

v1.79.0: Release 1.79.0

Compare Source

API Changes

• mem: Add experimental API SetDefaultBufferPool to change the default buffer pool. (#​8806)
  • Special Thanks: @​vanja-p
• experimental/stats: Update MetricsRecorder to require embedding the new UnimplementedMetricsRecorder (a no-op struct) in all implementations for forward compatibility. (#​8780)

Behavior Changes

• balancer/weightedtarget: Remove handling of Addresses and only handle Endpoints in resolver updates. (#​8841)

New Features

• experimental/stats: Add support for asynchronous gauge metrics through the new AsyncMetricReporter and RegisterAsyncReporter APIs. (#​8780)
• pickfirst: Add support for weighted random shuffling of endpoints, as described in gRFC A113.
  • This is enabled by default, and can be turned off using the environment variable GRPC_EXPERIMENTAL_PF_WEIGHTED_SHUFFLING. (#​8864)
• xds: Implement :authority rewriting, as specified in gRFC A81. (#​8779)
• balancer/randomsubsetting: Implement the random_subsetting LB policy, as specified in gRFC A68. (#​8650)
  • Special Thanks: @​marek-szews
• server: Include status detail headers, if available, when terminating a stream during request header processing. (#​8754)
  • Special Thanks: @​joybestourous

Bug Fixes

• credentials/tls: Fix a bug where the port was not stripped from the authority override before validation. (#​8726)
  • Special Thanks: @​Atul1710
• xds/priority: Fix a bug causing delayed failover to lower-priority clusters when a higher-priority cluster is stuck in CONNECTING state. (#​8813)
• health: Fix a bug where health checks failed for clients using legacy compression options (WithDecompressor or RPCDecompressor). (#​8765)
  • Special Thanks: @​sanki92
• transport: Fix an issue where the HTTP/2 server could skip header size checks when terminating a stream early. (#​8769)
  • Special Thanks: @​joybestourous

Performance Improvements

• credentials/alts: Optimize read buffer alignment to reduce copies. (#​8791)
• mem: Optimize pooling and creation of buffer objects. (#​8784)
• transport: Reduce slice re-allocations by reserving slice capacity. (#​8797)

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[renovate]

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 5 additional dependencies were updated

Details:

Package	Change
go.opentelemetry.io/otel	v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/metric	v1.38.0 -> v1.39.0
go.opentelemetry.io/otel/trace	v1.38.0 -> v1.39.0
google.golang.org/genproto/googleapis/api	v0.0.0-20251029180050-ab9386a59fda -> v0.0.0-20251202230838-ff82c1b0f217
google.golang.org/genproto/googleapis/rpc	v0.0.0-20251029180050-ab9386a59fda -> v0.0.0-20251202230838-ff82c1b0f217

[packit-as-a-service]

tmt tests failed for commit 3d1dfe6. @lsm5, @psss, @thrix please check.

[lsm5]

LGTM

[Luap99]

LGTM