go: bump google.golang.org/grpc from 1.36.0 to 1.37.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.36.0 to 1.37.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.36.0...v1.37.0)

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -11,5 +11,5 @@ require (
 	github.com/oasisprotocol/ed25519 v0.0.0-20210127160119-f7017427c1ea
 	github.com/oasisprotocol/oasis-core/go v0.2101.0
 	github.com/vmihailenco/msgpack/v5 v5.0.0-beta.1
-	google.golang.org/grpc v1.36.1
+	google.golang.org/grpc v1.37.0
 )

go.sum

@@ -198,6 +198,7 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ethereum/go-ethereum v1.9.15/go.mod h1:slT8bPPRhXsyNTwHQxrOnjuTZ1sDXRajW11EkJ84QJ0=
 github.com/ethereum/go-ethereum v1.9.18 h1:+vzvufVD7+OfQa07IJP20Z7AGZsJaw0M6JIA/WQcqy8=
@@ -1219,8 +1220,9 @@ google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1 h1:cmUfbeGKnz9+2DD/UYsMQXeqbHZqZDs4eQwW0sFOpBY=
 google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
+google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc/examples v0.0.0-20200731180010-8bec2f5d898f h1:HNNmM2dnxUknBEJDvuCRZcUzhGbhkz00ckV2ha2gFJY=
 google.golang.org/grpc/examples v0.0.0-20200731180010-8bec2f5d898f/go.mod h1:TGiSRL2BBv2WqzfsFNWYp/pkWdtf5kbZS/DQ9Ee3mWk=
 google.golang.org/grpc/security/advancedtls v0.0.0-20200902210233-8630cac324bf h1:IqdIxEnvZreeZMpDPbAA66R/PkRH6AD255RbxyuyfEY=