Codecov (#25)

* fix : codecov version updated

* fix : codecov upload section updated

* fix : minor edit in test.yml

.github/workflows/test.yml

@@ -27,17 +27,18 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install .
-      - name: Test requirements Installation
+      - name: Test requirements installation
         run: |
           python otherfiles/requirements-splitter.py
           pip install --upgrade --upgrade-strategy=only-if-needed -r test-requirements.txt
       - name: Test with pytest 
         run: |
           python -m pytest . --cov=opr --cov-report=term
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
-            fail_ci_if_error: false
+            fail_ci_if_error: true
+            token: ${{ secrets.CODECOV_TOKEN }}
         if: matrix.python-version == env.TEST_PYTHON_VERSION && matrix.os == env.TEST_OS
       - name: Vulture, Bandit and Pydocstyle tests
         run: |