Revert "chore(deps): update codecov/codecov-action action to v4 (#73)"

This reverts commit 4b01019.

Author: simPod

.github/workflows/ci.yaml

@@ -125,6 +125,6 @@ jobs:
                   path: "reports"
 
             - name: "Upload to Codecov"
-              uses: codecov/codecov-action@v4
+              uses: codecov/codecov-action@v3
               with:
                   directory: reports