tools: disable Codecov commit statuses

We don't want (yet?) to consider coverage as a requirement for
landing a pull request.

Refs: #47285 (comment)
Refs: https://docs.codecov.com/docs/commit-status#disabling-a-status
PR-URL: #47306
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Filip Skokan <[email protected]>
Reviewed-By: Richard Lau <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Jiawen Geng <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: James M Snell <[email protected]>

codecov.yml

@@ -12,3 +12,8 @@ codecov:
   notify:
     # Wait for all coverage builds:
     after_n_builds: 2
+
+coverage:
+  status:
+    project: off
+    patch: off