Update .gitlab-ci.yml

1 job for master in 9 minutes and 26 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build And Push
failed #12889


Name Stage Failure
build-and-push-job Build And Push
Attempting to roll back.

Rolling back transaction: ...working... done

FileNotFoundError(2, "No such file or directory: '/opt/conda/bin/python3.7'")

error building image: error building stage: failed to execute command: waiting for process to exit: exit status 1
ERROR: Job failed: command terminated with exit code 1