chore(deps): update module google.golang.org/grpc/cmd/protoc-gen-go-grpc to v1.6.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
google.golang.org/grpc/cmd/protoc-gen-go-grpc	v1.5.1 -> v1.6.0

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Release Notes

grpc/grpc-go (google.golang.org/grpc/cmd/protoc-gen-go-grpc)

v1.6.0: Release 1.6.0

Compare Source

API Changes

• Add and use connectivity package for states (#​1430)
• metadata: Remove NewContext and FromContext for gRFC L7 (#​1392)
• Remove expiration_interval from grpclb message (#​1477)

Features

• Add status details support to server HTTP handler (#​1438)
• stats: add methods to allow setting grpc-trace-bin and grpc-tags-bin headers (#​1404)
• Expose ConnectivityState of a ClientConn. (#​1385)
• DNS resolver (#​1300)

Performance

• Put *gzip.Writer back to pool (#​1441)
• Remove defer funtion in recvBufferReader Read method (#​1031)

Bug fixes

• When sending a non heads-up goaway close the connection if there are no active streams. (#​1474)
• Fix grpclb protos to not cause re-registration of types (#​1466)
• transport: fix handling of InTapHandle's returned context (#​1461)
• transport: Fix deadlock in client keepalive. (#​1460)
• Deduplicate dns record in lookup (#​1454)
• Fix host string passed to PerRPCCredentials (#​1433)
• Fix a goroutine leak in DialContext (#​1424)
• Set peer before sending request (#​1423)
• Don't use 64-bit integers with atomic. (#​1411)
• Automatic WriteStatus for RecvMsg/SendMsg error on server side (#​1409)
• Server should send 2 goaway messages to gracefully shutdown the connection. (#​1403)
• Enabling client process multiple GoAways (#​1393)
• addrConn: change address to slice of address (#​1376)
• Do not create new addrConn when connection error happens (#​1369)
• Validate send quota again after acquiring writable channel (#​1367)

Documentation

• add comment for the package in benchmark/benchmain/main.go (#​1464)
• Add -u to installation command (#​1451)
• Update ServerInHandle comments (#​1437)
• Add 'experimental' note to ServeHTTP godoc (#​1429)
• Use NewOutgoingContext in the metadata doc (#​1425)
• Fix missing and wrong license (#​1422)
• Change comment on stats.End.Error (#​1418)
• Document Server.ServeHTTP (#​1406)
• Use log instead of grpclog in routeguide example (#​1395)
• Add doc in default implementation fatal functions on os.Exit() (#​1365)

Testing

• Check "x/net/context" with go vet like "context" (#​1490)
• Remove unnecessary function handleStreamSuspension (#​1468)
• Call cancel function to avoid ctx leak (#​1465)
• go-generate pb.go files and check in Travis to make sure they don't change (#​1426)
• Add flags for tls file path (#​1419)
• Call cancel on contexts in tests (#​1412)
• benchmark: don't stop timer until after workers are done (#​1407)
• Assign testdata path to correct variable (#​1397)
• Do not call testdata.Path when defining flags (#​1394)
• Fix bufconn.Close to not be blocking. (#​1377)
• benchmark: add benchmain/main.go to run benchmark with flag set (#​1352)
• benchmark: remove multi-layer for loop (#​1339)
• Add testdata package and unify testdata to only one dir (#​1297)

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