Make codecov informational (#40457)

Co-authored-by: Andrei Litvin <andreilitvin@google.com>
diff --git a/.github/codecov.yml b/.github/codecov.yml
index b6b0450..fe411ac 100644
--- a/.github/codecov.yml
+++ b/.github/codecov.yml
@@ -1,14 +1,15 @@
+# NOTE: we currently want to see coverage but not enforce it.
+#
+# See https://docs.codecov.com/docs/common-recipe-list#set-non-blocking-status-checks
 coverage:
   status:
     project:
-      # default is the status check's name, not default settings
       default:
-        if_ci_failed: success
+        informational: true
     patch:
-      # default is the status check's name, not default settings
       default:
-        if_ci_failed: success
+        informational: true
 
 parsers:
   cobertura:
-    partials_as_hits: true
\ No newline at end of file
+    partials_as_hits: true