Update codecov.yaml to be valid (#2101)

Did you know you can validate your codecov.yaml file?
```
curl -X POST --data-binary @codecov.yml https://codecov.io/validate
```

Our codecov.yaml file was not valid, now it is.

Signed-off-by: Todd Short <[email protected]>

Author: tmshort

codecov.yml

@@ -10,12 +10,16 @@ coverage:
       default:
         target: auto
         threshold: 2%
+        paths:
+          - "api/"
+          - "cmd/"
+          - "internal/"
     patch:
       default:
         target: auto
         threshold: 1%
-  paths:
-    - "api/"
-    - "cmd/"
-    - "internal/"
+        paths:
+          - "api/"
+          - "cmd/"
+          - "internal/"