ci: Enable code coverage for postgres build as well

.github/workflows/server-postgres-tests.yml

@@ -116,7 +116,14 @@ jobs:
 
       - name: Run Tests
         if: ${{ steps.check-build.outputs.build == 'strawberry' }}
-        run: cd ~/frappe-bench/ && bench --site test_site run-parallel-tests --use-orchestrator
+        run: cd ~/frappe-bench/ && bench --site test_site run-parallel-tests --use-orchestrator --with-coverage
         env:
           CI_BUILD_ID: ${{ github.run_id }}
           ORCHESTRATOR_URL: http://test-orchestrator.frappe.io
+
+      - uses: codecov/codecov-action@v2
+        with:
+          name: Postgres
+          fail_ci_if_error: true
+          files: /home/runner/frappe-bench/sites/coverage.xml
+          verbose: true