fix(ci): remove redundant artifact upload step for coverage report

Author: 3m1n3nc3

.github/workflows/ci.yml

@@ -70,13 +70,6 @@ jobs:
       - name: Run tests
         run: pnpm test:coverage
 
-      - name: Upload coverage report
-        uses: actions/upload-artifact@v4
-        with:
-          name: coverage
-          path: coverage
-          retention-days: 1
-
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with: