codecov.yml: suppress coverage errors even more
codecov.yml: suppress coverage errors even more

We are still getting nacks from codecov on PRs after the previous commit.
Try to add patch section to prevent failures.

google/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller