Update Dockerfile.go (#6689)

test/e2e/e2e-test/docker/go/Dockerfile.go

@@ -15,7 +15,7 @@
 
 FROM golang:1.12 AS builder
 
-ARG COMMIT_HASH=9094186ac3782482a85dbca47978651bec268e97
+ARG COMMIT_HASH=520133d117488e6c3fd952f84018f4a39651d89b
 ARG GO2SKY_CODE=${COMMIT_HASH}.tar.gz
 ARG GO2SKY_CODE_URL=https://github.com/SkyAPM/go2sky/archive/${GO2SKY_CODE}
 
@@ -34,4 +34,4 @@ RUN go build -o main
 FROM alpine:3.10
 
 COPY --from=builder /go2sky/test/e2e/example-server/main .
-ENTRYPOINT ["/main"]
\ No newline at end of file
+ENTRYPOINT ["/main"]