update codecov settings to only post a comment once all builds have completed
diff --git a/codecov.yml b/codecov.yml
index 8cb9a15..570b1f8 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -42,3 +42,6 @@
   layout: "reach,diff,flags,files,footer"
   behavior: default
   require_changes: false
+  ### Do not comment until coverage reports for all builds have been received
+  ### Note: 24 = three OSs (mac, windows, ubuntu) x eight java levels (8,9,10,11,12,13,14,15)
+  after_n_builds: 24