Update module google.golang.org/grpc to v1.82.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
google.golang.org/grpc	v1.79.3 → v1.82.0

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Release Notes

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

v1.82.0: Release 1.82.0

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Behavior Changes

• server: Remove support for GRPC_GO_EXPERIMENTAL_DISABLE_STRICT_PATH_CHECKING environment varibale. Strict incoming RPC path validation (which has been the default since v1.79.3) can no longer be disabled. (#​9112)
• transport: Add environment variable to change the default max header list size from 16MB to 8KB. This may be enabled by setting GRPC_GO_EXPERIMENTAL_ENABLE_8KB_DEFAULT_HEADER_LIST_SIZE=true. This will be enabled by default in a subsequent release. (#​9019)
• balancer: Load Balancing policy registry is now case-sensitive. Set GRPC_GO_EXPERIMENTAL_CASE_SENSITIVE_BALANCER_REGISTRIES=false (and file an issue) to revert to case-insensitive behavior. (#​9017)

New Features

• experimental/stats: Expose a new API, NewContextWithLabelCallback, to register a callback that is invoked when telemetry labels are added. (#​8877)
  • Special Thanks: @​seth-epps
• client: Return a portion of the response body in the error message, when the client receives an unexpected non-gRPC HTTP response, to make debugging easier. (#​8929)
  • Special Thanks: @​chengxilo
• server: Add environment variable GRPC_GO_SERVER_GOROUTINE_LABELS that controls setting runtime/pprof.Labels on goroutines spawned by the server. Set GRPC_GO_SERVER_GOROUTINE_LABELS=grpc.method=true to add the grpc.method label on goroutines spawned to handle incoming requests. (#​9082)
  • Special Thanks: @​dfinkel

Bug Fixes

• xds/server: Fix a memory leak of HTTP filter instances occurring when route configurations are updated in-place during a Route Discovery Service (RDS) update. (#​9138)
• grpc: In the deprecated gzip Compressor (used via the deprecated WithCompressor dial option), enforce the MaxRecvMsgSize limit on the decompressed message buffer, preventing excessive memory allocation from highly compressed payloads. (#​9114)
  • Special Thanks: @​evilgensec
• stats/opentelemetry: Record retry attempts, grpc.previous-rpc-attempts, at the call level and not the attempt level. (#​8923)
• encoding: Ensure Close() is always called on readers returned from Compressor.Decompress if possible. (#​9135)
• channelz: Fix the LastMessageSentTimestamp and LastMessageReceivedTimestamp fields in SocketMetrics to ensure they contain correct timestamp values. (#​9109)

v1.81.1: Release 1.81.1

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Security

• xds/rbac: Fix a potential authorization bypass caused by incorrectly falling through URI/DNS SANs to Subject Distinguished Name (DN) when matching the authenticated principal name. With this fix, only the first non-empty identity source will be used, as per gRFC A41. (#​9111)
  • Special Thanks: @​al4an444

v1.81.0: Release 1.81.0

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Behavior Changes

• balancer/rls: Switch gauge metrics to asynchronous emission (once per collection cycle) to reduce telemetry noise and align with other gRPC language implementations. (#​8808)

Dependencies

• Minimum supported Go version is now 1.25. (#​8969)

Bug Fixes

• xds: Use the leaf cluster's security config for the TLS handshake instead of the aggregate cluster's config. (#​8956)
• transport: Send a RST_STREAM when receiving an END_STREAM when the stream is not already half-closed. (#​8832)
• xds: Fix ADS resource name validation to prevent a panic. (#​8970)

New Features

• grpc/stats: Add support for custom labels in per-call metrics (gRFC A108). (#​9008)
• xds: Add support for Server Name Indication (SNI) and SAN validation (gRFC A101). Disabled by default. To enable, set GRPC_EXPERIMENTAL_XDS_SNI=true environment variable. (#​9016)
• xds: Add support to control which fields get propagated from ORCA backend metric reports to LRS load reports (gRFC A85). Disabled by default. To enable, set GRPC_EXPERIMENTAL_XDS_ORCA_LRS_PROPAGATION=true. (#​9005)
• xds: Add metrics to track xDS client connectivity and cached resource state (gRFC A78). (#​8807)
• stats/otel: Enhance grpc.subchannel.disconnections metric by adding disconnection reason to the grpc.disconnect_error label (gRFC A94). This provides granular insights into why subchannels are closing. (#​8973)
• mem: Add mem.Buffer.Slice() API to slice the buffer like a slice. (#​8977)
  • Special Thanks: @​ash2k

Performance Improvements

• alts: Pool read buffers to lower memory utilization when sockets are unreadable. (#​8964)
• transport: Pool HTTP/2 framer read buffers to reduce idle memory consumption. Currently limited to Linux for ALTS and non-encrypted transports (TCP, Unix). To disable, set GRPC_GO_EXPERIMENTAL_HTTP_FRAMER_READ_BUFFER_POOLING=false and report any issues. (#​9032)

v1.80.0

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⚠️ Artifact update problem

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The artifact failure details are included below:

File name: go.sum

Command failed: go get -t ./...
go: module google.golang.org/grpc@v1.82.0 requires go >= 1.25.0; switching to go1.25.11
go: downloading go1.25.11 (linux/amd64)
go: downloading google.golang.org/grpc v1.82.0
go: downloading google.golang.org/protobuf v1.36.11
go: downloading golang.org/x/net v0.53.0
go: downloading google.golang.org/genproto/googleapis/rpc v0.0.0-20260414002931-afd174a4e478
go: downloading golang.org/x/sys v0.43.0
go: downloading golang.org/x/text v0.36.0
go: github.com/compscidr/sair/cmd/sair-device-source imports
	github.com/compscidr/sair/proto/devicesource: cannot find module providing package github.com/compscidr/sair/proto/devicesource
go: github.com/compscidr/sair/internal/proxy imports
	github.com/compscidr/sair/proto/orchestrator: cannot find module providing package github.com/compscidr/sair/proto/orchestrator