Bump google.golang.org/grpc from 1.17.0 to 1.27.0

[dependabot-preview[bot]]

Bumps google.golang.org/grpc from 1.17.0 to 1.27.0.

Release notes

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

Release 1.27.0

API Changes

• balancer/resolver: remove temporary backward-compatibility type aliases (#3309)

Behavior Changes

• dns: ignore TXT errors unless GRPC_GO_IGNORE_TXT_ERRORS=false (#3299)

New Features

• client: add interface for ClientConn to be accepted by generated code (#3334)
• client: add WithResolvers option for specifying client-local resolvers (#3320)
• advancedtls: add new module for advanced TLS handshaker (#3187)
• credentials: create API for transport security level information (#3214)

Bug Fixes

• trace: fix getting family for the method (#3216)
  • Special Thanks: @andyxning

Release 1.26.0

API Changes

• balancer: add V2Picker, ClientConn.UpdateState, SubConnState.ConnectionError (#3186)
• resolver: introduce attributes package and use it for Address and State (#3151)
• resolver: rename Option to Options, leaving type aliases for now (#3175)

Behavior Changes

• dns: disable SRV record lookups unless grpclb is imported (#3149)
• dns: stop polling for updates; use UpdateState API (#3165)

New Features

• stats: attach metadata to In/Out Headers/Trailers (#3169)
  • Special Thanks: @MatthewDolan
• xds: Implementation of the CDS LB policy. (#3224)
• xds: Implementation of xds_resolver using LDS/RDS (#3183)
• grpclb: do not send redundant empty load reports to remote LB (#3249)

Performance Improvements

• server.go: combine defers to reduce stack usage (#3208)
  • Special Thanks: @adtac
• profiling: add internal changes to support profiling of gRPC (#3158)
  • Special Thanks: @adtac

Bug Fixes

... (truncated)

Commits

• a89bee7 Change version to 1.27.0 (#3340)
• 1ce7569 rls: Add generated pb.go files for RLS. (#3337)
• 8c50fc2 revert buffer reuse (#3338)
• 7afcfdd client: add interface for ClientConn to be accepted by generated code (#3334)
• 1f66bc9 xds: propogate bootstrap error to grpc.Dial (#3330)
• 27fd7d0 balancer/resolver: remove temporary backward-compatibility type aliases (#3309)
• 3311b9e grpclb: update proto from grpc/grpc-proto (#3323)
• d670c2d advancedtls: fix internal tests (#3322)
• cd74fa2 internal: remove withResolverBuilder and use WithResolvers instead (#3321)
• 62d4bd7 security: Add a package level comment to testdata package in advancedtls (#3317)
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[dependabot-preview[bot]]

Superseded by #23.