chore: add codecov step (#871)

Author: Belco90

.github/workflows/verifications.yml

@@ -53,3 +53,8 @@ jobs:
 
       - name: Run tests
         run: npm run test:ci
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}