chore(ci): Upload integration tests coverage to codecov.io

Author: KSDaemon

.github/workflows/push.yml

@@ -496,6 +496,15 @@ jobs:
           # Snowflake
           DRIVERS_TESTS_SNOWFLAKE_CUBEJS_DB_USER: ${{ secrets.DRIVERS_TESTS_CUBEJS_DB_SNOWFLAKE_USER }}
           DRIVERS_TESTS_SNOWFLAKE_CUBEJS_DB_PASS: ${{ secrets.DRIVERS_TESTS_CUBEJS_DB_SNOWFLAKE_PASS }}
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        if: (matrix.node-version == '22.x')
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./packages/*/coverage/*
+          verbose: true
+          flags: cube-backend
+          fail_ci_if_error: false
 
   integration-smoke:
     needs: [latest-tag-sha, build-cubestore, build-native-linux]