This is likely because the TC recently changed the name of that tag from 'tc-approved-release' to 'tc:approved-release':
https://review.openstack.org/#/c/393185/
This is likely because the TC recently changed the name of that tag from 'tc-approved- release' to 'tc:approved- release' :
https:/ /review. openstack. org/#/c/ 393185/