Merge pull request #2609 from robintown/coverage-barrier

Make the test coverage target non-blocking

codecov.yaml

@@ -9,5 +9,7 @@ coverage:
         informational: true
     patch:
       default:
-        # Expect 80% coverage on all lines that a PR touches
+        # Encourage (but don't enforce) 80% coverage on all lines that a PR
+        # touches
         target: 80%
+        informational: true