Check the git tag of the boshreleases prior upload
Check the git tag of the boshreleases prior upload

Use the git_check_tag.sh script to double check that the right
tagged version of the git repository is checked out, and it matches
with the expected version.

This is a temporary safety guard until we start using proper
final releases generated in a dedicated CI system.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf