build: don't mark build fail when coverage fails

The coverage workflow returns a failure when the coverage goes down.
Unfortunately, the test is a bit to error prone and reports too many
falls positives. Just ignore these errors.

Signed-off-by: Daniel Wagner <[email protected]>

Author: igaw

.github/workflows/coverage.yml

@@ -10,6 +10,7 @@ jobs:
     if: github.repository == 'linux-nvme/libnvme'
     name: code coverage
     runs-on: ubuntu-latest
+    continue-on-error: true
     container:
       image: ghcr.io/linux-nvme/debian.python:latest
     steps: