set threshold

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

.codecov.yml

@@ -7,6 +7,10 @@ coverage:
   precision: 2
   round: down
   range: "70...100"
+  status:
+    project:
+      default:
+        threshold: 0.5
 
 comment:
   layout: "header, diff, changes, uncovered, tree"