Build(deps): Bump google.golang.org/grpc from 1.77.0 to 1.79.2

[dependabot]

Bumps google.golang.org/grpc from 1.77.0 to 1.79.2.

Release notes

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

Release 1.79.2

Bug Fixes

• stats: Prevent redundant error logging in health/ORCA producers by skipping stats/tracing processing when no stats handler is configured. (grpc/grpc-go#8874)

Release 1.79.1

Bug Fixes

• grpc: Remove the -dev suffix from the User-Agent header. (grpc/grpc-go#8902)

Release 1.79.0

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

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
• server: Propagate status detail headers, if available, when terminating a stream during request header processing. (#8754)
  • 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)

Release 1.78.0

Behavior Changes

• client: Align URL validation with Go 1.26+ to now reject target URLs with unbracketed colons in the hostname. (#8716)

... (truncated)

Commits

• 8902ab6 Change the version to release 1.79.2 (#8947)
• a928670 Cherry-pick #8874 to v1.79.x (#8904)
• 06df363 Change version to 1.79.2-dev (#8903)
• 782f2de Change version to 1.79.1 (#8902)
• 850eccb Change version to 1.79.1-dev (#8851)
• 765ff05 Change version to 1.79.0 (#8850)
• 68804be Cherry pick #8864 to v1.79.x (#8896)
• 0381eb6 xds: Support :authority header rewriting for LOGICAL_DNS clusters (#8822)
• 90f571d xds: remove references to ResolverState.Addresses (#8841)
• 679565f xds: remove HashKey field from xdsresource.Endpoint struct (#8844)
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Walkthrough

Updated the google.golang.org/grpc dependency from version v1.77.0 to v1.79.2 in the module requirements. This is a minor version and patch-level update with no functional code changes.

Changes

Cohort / File(s)	Summary
Dependency Update go.mod	Updated google.golang.org/grpc from v1.77.0 to v1.79.2 in the require block.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change - updating the google.golang.org/grpc dependency from 1.77.0 to 1.79.2, which matches the go.mod changes.
Description check	✅ Passed	The description is directly related to the changeset, providing detailed release notes and commit information for the grpc dependency upgrade from 1.77.0 to 1.79.2.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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