gitlab-go: align Dockerfile to variables
What does this MR do?
Align Dockerfile contents to that of variables file for gitlab-go
containers. They were significantly out of sync on version of Go.
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion
Required
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Merge Request Title, and Description are up to date, accurate, and descriptive -
MR targeting the appropriate branch -
MR has a green pipeline on GitLab.com
cc @rmarshall