fix: codecov.yml file with patch reporting (#544)

codecov.yml

@@ -4,7 +4,6 @@ comment:
   behavior: default
   layout: "reach, diff, flags, files"
 
-
 ignore:
   - "**/test_*"
   - "**/*_test.*"
@@ -19,7 +18,11 @@ coverage:
   round: down
   status:
     project: no
-    patch: yes
-    changes: yes
+    patch: # patch status only measures lines adjusted in the pull request or single commit
+      default:
+        target: 80% # target of an exact coverage number such as 75% or 100%
+        threshold: 2% # Allow the coverage to drop by X%, and posting a success status.
+        base: auto
+    changes: no # Codecov will detect changes in coverage that are NOT included in the commit/pull diff
 github_checks:
-  annotations: true
+  annotations: true