chore(deps): bump google.golang.org/grpc from 1.27.1 to 1.31.0

[dependabot-preview[bot]]

Bumps google.golang.org/grpc from 1.27.1 to 1.31.0.

Release notes

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

Release 1.31.0

API Changes

• balancer: remove deprecated type aliases (#3742)

New Features

• The following new xDS functionalities are added in this release (xDS features supported in a given release are documented here):
  • Requests matching based on path (prefix, full path and safe regex) and headers
  • Requests routing to multiple clusters based on weights
• service config: add default method config support (#3684)
  • Special Thanks: @amenzhinsky
• credentials/sts: PerRPCCreds Implementation (#3696)
• credentials: check and expose SPIFFE ID (#3626)
• protoc-gen-go-grpc: support for proto3 field presence (#3752)

Bug Fixes

• client: set auth header to localhost for unix target (#3730)

Documentation

• doc: mark CustomCodec as deprecated (#3698)
• examples: cleanup README.md (#3738)
• doc: fix references to status methods (#3702)
  • Special Thanks: @evanlimanto

Release 1.30.0

API Changes

• This release adds an xDS URI scheme called xds. This is the stable version of the scheme xds-experimental that was introduced in v1.28.0. xds-experimental scheme will be removed in subsequent releases so you must switch to xds scheme instead. xds scheme is a client side implementation of xDSv2 APIs. This allows a gRPC client written in Go to receive configuration from an xDSv2 API compatible server and use that configuration to load balance RPCs. In this release, only the virtual host matching, default path (“” or “/”) matching and cluster route action are supported. The features supported in a given release are documented here.
• balancer: move Balancer and Picker to V2; delete legacy API (#3180, #3431)
  • Replace balancer.Balancer and balancer.Picker with the V2Balancer and V2Picker versions.
  • Remove balancer.ClientConn.UpdateBalancerState.
  • Remove the original balancer plugin API, based on grpc.Balancer, and all related functionality.
  • Remove the deprecated naming package.

Behavior Changes

• grpclb, dns: pass balancer addresses via resolver.State (#3614)

New Features

• balancer: support hierarchical paths in addresses (#3494)
• client: option to surface connection errors to callers (#3430)
  • Special Thanks: @sethp-nr
• credentials: pass address attributes from balancer to creds handshaker. (#3548)
• credentials: local creds implementation (#3517)
• advancedtls: add fine-grained verification levels in XXXOptions (#3454)

Commits

• bde0263 Change version to 1.31.0 (#3755)
• 0ab2811 interop: update --fail_on_failed_rpc to wait for initial success (#3763)
• a372f49 xds testing: add path_matching and header_matching (#3764)
• 4928046 xds interop: update interop client to support new tests (#3737)
• 5f282cb xdsrouting: remove env variable for routing (#3754)
• cee815d Added support for proto3 field presence (#3752)
• a1ace91 xdsrouting: resolver to generate service config with routes, and pick routing...
• a5a36bd client: set auth header to localhost for unix target (#3730)
• 5f0e728 xdsrouting: balancer implementation (#3746)
• ca3959a xdsrouting: handle route fields in xds_client (#3747)
• Additional commits viewable in compare view

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Code Climate has analyzed commit d6054432 and detected 0 issues on this pull request.

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Codecov Report

Merging #65 into develop will not change coverage. The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop      #65   +/-   ##
========================================
  Coverage    58.61%   58.61%           
========================================
  Files            4        4           
  Lines         1643     1643           
========================================
  Hits           963      963           
  Misses         540      540           
  Partials       140      140           

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