gha: update codecov/codecov-action@v5

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

.github/workflows/test.yml

@@ -44,6 +44,6 @@ jobs:
         make coverage
 
     - name: Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
         directory: ./