Needed to work:
- install github app Codecov, accept permissions
- copy token from codecov.io to repository secrets
- allow actions permissions to run either verified marketplace creators
or list codecov/codecov-action@*
- set up repository as active on codecov.io, watch results eg.
https://app.codecov.io/gh/kdave/btrfs-progs/tree/coverage-test/
Signed-off-by: David Sterba <dsterba@suse.com>