In Zed cycle, we have dropped the python 3.6/3.7[1] testing
and its support. Removing the py36 centos8 job as well as
updating the python classifier also to reflect the same.
[1] https://governance.openstack.org/tc/reference/runtimes/zed.html
Change-Id: Ie3c38ca062b2bce644d11c48403c9c77ca0de9a1
This commit adds 'files' table. This files table has coverage_id
column as a foreign key for the coverages table. And this commit also
adds a release note for it.
Change-Id: I8998a79a1ba79bbdab1cd79810cc85bcbccbe7d8
LiZekun