update codecov

.codecov.yml

@@ -21,7 +21,7 @@ coverage:
     project:
       default:
         against: auto
-        target: 99% # specify the target coverage for each commit status
+        target: 95% # specify the target coverage for each commit status
         threshold: 30% # allow this little decrease on project
         # https://github.com/codecov/support/wiki/Filtering-Branches
         # branches: master
@@ -30,8 +30,7 @@ coverage:
     patch:
       default:
         against: auto
-        target: 50% # specify the target "X%" coverage to hit
-        # threshold: 50% # allow this much decrease on patch
+        threshold: 50% # allow this much decrease on patch
     changes: false
 
 parsers: