Enable codecov comments (#14022)

* Enable codecov comments

* Drop unneeed comments

Co-authored-by: mattermod <mattermod@users.noreply.github.com>

.codecov.yml

@@ -0,0 +1,7 @@
+comment:
+  layout: "diff, flags, files"
+  require_changes: true
+  branches: "!release*"
+
+ignore:
+  - store/storetest

codecov.yml

@@ -1,10 +0,0 @@
-coverage:
-  status:
-    project:
-      default:
-        threshold: 1
-    patch: off
-    changes: off
-ignore:
-  - store/storetest
-comment: false