Fix: Gobrew Installation on Dockerfile

[ilhamsyahids]

Latest update master branch on gobrew is impacting our test script.

The error is like this:

#8 [ 3/11] RUN curl -sLk https://raw.githubusercontent.com/kevincobain2000/gobrew/master/git.io.sh | sh
#8 0.335 sh: 3: set: Illegal option -o pipefail
#8 ERROR: process "/bin/sh -c curl -sLk https://raw.githubusercontent.com/kevincobain2000/gobrew/master/git.io.sh | sh" did not complete successfully: exit code: 2
------
 > [ 3/11] RUN curl -sLk https://raw.githubusercontent.com/kevincobain2000/gobrew/master/git.io.sh | sh:
0.335 sh: 3: set: Illegal option -o pipefail

This PR is to fix it using specific version to prevent similar issue