fix(deps): update module google.golang.org/grpc to v1.39.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
google.golang.org/grpc	require	minor	v1.35.0 -> v1.39.0

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Release Notes

grpc/grpc-go

v1.39.0

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Behavior Changes

• csds: return empty response if xds client is not set (#​4505)
• metadata: convert keys to lowercase in FromContext() (#​4416)

New Features

• xds: add GetServiceInfo to GRPCServer (#​4507)
  • Special Thanks: @​amenzhinsky
• xds: add test-only injection of xds config to client and server (#​4476)
• server: allow PreparedMsgs to work for server streams (#​3480)
  • Special Thanks: @​eafzali

Performance Improvements

• transport: remove decodeState from client & server to reduce allocations (#​4423)
  • Special Thanks: @​JNProtzman

Bug Fixes

• server: return UNIMPLEMENTED on receipt of malformed method name (#​4464)
• xds/rds: use 100 as default weighted cluster totalWeight instead of 0 (#​4439)
  • Special Thanks: @​alpha-baby
• transport: unblock read throttling when controlbuf exits (#​4447)
• client: fix status code to return Unavailable for servers shutting down instead of Unknown (#​4561)

Documentation

• doc: fix broken benchmark dashboard link in README.md (#​4503)
  • Special Thanks: @​laststem
• example: improve hello world server with starting msg (#​4468)
  • Special Thanks: @​dkkb
• client: Clarify that WaitForReady will block for CONNECTING channels (#​4477)
  • Special Thanks: @​evanj

v1.38.1

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internal/transport: do not mask ConnectionError (#​4561)

v1.38.0

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API Changes

• reflection: accept interface instead of grpc.Server struct in Register() (#​4340)
• resolver: add error return value from ClientConn.UpdateState (#​4270)

Behavior Changes

• client: do not poll name resolver when errors or bad updates are reported (#​4270)
• transport: InTapHandle may return RPC status errors; no longer RST_STREAMs (#​4365)

New Features

• client: propagate connection error causes to RPC status (#​4311, #​4316)
• xds: support inline RDS resource from LDS response (#​4299)
• xds: server side support is now experimentally available
• server: add ForceServerCodec() to set a custom encoding.Codec on the server (#​4205)
  • Special Thanks: @​ash2k

Performance Improvements

• metadata: reduce memory footprint in FromOutgoingContext (#​4360)
  • Special Thanks: @​irfansharif

Bug Fixes

• xds/balancergroup: fix rare memory leak after closing ClientConn (#​4308)

Documentation

• examples: update xds examples for PSM security (#​4256)
• grpc: improve docs on StreamDesc (#​4397)

v1.37.1

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• client: fix rare panic when shutting down client while receiving the first name resolver update (#​4398)
• client: fix leaked addrConn struct when addresses are updated (#​4347)
• xds/resolver: prevent panic when two LDS updates are receives without RDS in between (#​4327)

v1.37.0

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API Changes

• balancer: Add UpdateAddresses() to balancer.ClientConn interface (#​4215)
  • NOTICE: balancer.SubConn.UpdateAddresses() is now deprecated and will be REMOVED in gRPC-Go 1.39

Behavior Changes

• balancer/base: keep address attributes for pickers (#​4253)
  • Special Thanks: @​longXboy

New Features

• xds: add support for csds (#​4226, #​4217, #​4243)
• admin: create admin package for conveniently registering standard admin services (#​4274)
• xds: add support for HTTP filters (gRFC A39) (#​4206, #​4221)
• xds: implement fault injection HTTP filter (A33) (#​4236)
• xds: enable timeout, circuit breaking, and fault injection by default (#​4286)
• xds: implement a priority based load balancer (#​4070)
• xds/creds: support all SAN matchers on client-side (#​4246)

Bug Fixes

• xds: add env var protection for client-side security (#​4247)
• circuit breaking: update picker inline when there's a counter update (#​4212)
• server: fail RPCs without POST HTTP method (#​4241)

v1.36.1

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• xds: add env var protection for client-side security (#​4247)

v1.36.0

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New Features

• xds bootstrap: support config content in env variable (#​4153)

Bug Fixes

• encoding/proto: do not panic when types do not match (#​4218)

Documentation

• status: document nil error handling of FromError (#​4196)
  • Special Thanks: @​gauravgahlot

v1.35.1

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• encoding/proto: do not panic when types do not match (#​4218)
• xds: add env var protection for client-side security (#​4247)

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[codecov]

Codecov Report

Merging #227 (20d2937) into master (7994707) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #227   +/-   ##
=======================================
  Coverage   56.75%   56.75%           
=======================================
  Files          14       14           
  Lines         592      592           
=======================================
  Hits          336      336           
  Misses        218      218           
  Partials       38       38           

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