Merge pull request #137 from christianlouis/dependabot/github_actions/codecov/codecov-action-6

chore(ci): bump codecov/codecov-action from 5 to 6

.github/workflows/ci.yml

@@ -139,7 +139,7 @@ jobs:
         working-directory: frontend
 
       - name: Upload backend coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./backend/coverage.xml
@@ -148,7 +148,7 @@ jobs:
           fail_ci_if_error: false
 
       - name: Upload frontend coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./frontend/coverage/lcov.info