Tweak code coverage settings (#4400)

* Tweak code coverage settings

* Fix manifest

* Newsfile

* Fix commit status?

.codecov.yml

@@ -0,0 +1,15 @@
+comment:
+  layout: "diff"
+
+coverage:
+  status:
+    project:
+      default:
+        target: 0  # Target % coverage, can be auto. Turned off for now
+        threshold: null
+        base: auto
+    patch:
+      default:
+        target: 0
+        threshold: null
+        base: auto

MANIFEST.in

@@ -37,6 +37,7 @@ prune docker
 prune .circleci
 prune .coveragerc
 prune debian
+prune .codecov.yml
 
 exclude jenkins*
 recursive-exclude jenkins *.sh

changelog.d/4400.misc

@@ -0,0 +1 @@
+Tweak codecov settings to make them less loud.