Update Dockerfile for golang 1.17.5 and gcsfuse 0.39.0

Update Dockerfile for golang 1.17.5 and gcsfuse 0.39.0

Update docs for v0.38.0

Update the Dockerfile to package gcsfuse

Benchmark gRPC with connection pool setting (do not merge)

Benchmark gRPC for read throughput (do not merge)

Add app_name to mount.gcsfuse

Fix the Dockerfile with the correct version id

Prepare for v0.35.1 release

Update gcsfuse version in Dockerfile for packaging