Disable line-by-line codecov comments (#8613)

Author: droazen

codecov.yml

@@ -31,3 +31,7 @@ comment:
   branches: null
   behavior: default
   after_n_builds: 8 # Wait until all 8 of the test suite jacoco test builds have been uploaded before writing a comment to the pr (no more incomplete coverage report emails)
+
+# Disable line-by-line codecov comments in the github diff page
+github_checks:
+  annotations: false