Upload coverage to Codecov

Author: devblac

.github/workflows/ci.yml

@@ -40,6 +40,12 @@ jobs:
         with:
           name: coverage-report
           path: coverage.out
+      
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: ./coverage.out
+          fail_ci_if_error: true
 
   build:
     name: Build