Updated codecov version

Author: Johanna

.github/workflows/codecov.yml

@@ -32,7 +32,7 @@ jobs:
 
     - name: Codecov
       # You may pin to the exact commit or the version.
-      uses: codecov/codecov-action@v5.1.2
+      uses: codecov/codecov-action@v4.6.0
       with:
         # Repository upload token - get it from codecov.io. Required only for private repositories
         token: ${{ secrets.CODECOV_TOKEN }}