build(deps): bump google.golang.org/grpc from 1.36.0 to 1.39.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.36.0 to 1.39.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](grpc/grpc-go@v1.36.0...v1.39.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -5,9 +5,9 @@ go 1.16
 require (
 	github.com/99designs/gqlgen v0.13.0
 	github.com/Xuanwo/go-bufferpool v0.1.0
-	github.com/beyondstorage/go-service-fs/v3 v3.0.0
-	github.com/beyondstorage/go-service-qingstor/v3 v3.0.0
-	github.com/beyondstorage/go-storage/v4 v4.0.0
+	github.com/beyondstorage/go-service-fs/v3 v3.2.0
+	github.com/beyondstorage/go-service-qingstor/v3 v3.1.0
+	github.com/beyondstorage/go-storage/v4 v4.2.0
 	github.com/beyondstorage/go-toolbox v0.0.0-20210525101004-db84362b9d67
 	github.com/dgraph-io/badger/v3 v3.2011.1
 	github.com/gin-contrib/cors v1.3.1
@@ -24,9 +24,8 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/vektah/gqlparser/v2 v2.1.0
 	go.uber.org/zap v1.16.0
-	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
 	google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98 // indirect
-	google.golang.org/grpc v1.36.0
+	google.golang.org/grpc v1.39.0
 	google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0
 	google.golang.org/protobuf v1.25.0
 )