build(deps): bump google.golang.org/grpc from 1.26.0 to 1.27.0 (#4355)

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.26.0 to 1.27.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.26.0...v1.27.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -32,5 +32,5 @@ require (
 	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413
 	golang.org/x/net v0.0.0-20190628185345-da137c7871d7
 	golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // indirect
-	google.golang.org/grpc v1.26.0
+	google.golang.org/grpc v1.27.0
 )

go.sum

@@ -286,6 +286,8 @@ google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ij
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0 h1:rRYRFMVgRv6E0D70Skyfsr28tDXIuuPZyWGMPdMcnXg=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=