Update codecov.yml

Author: dev-javascript

.github/workflows/codecov.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 15.x, 16.x, 18.x]
+        node-version: [18.x, 21.x]
 
     steps:
       - name: Checkout repository