Add batch_commands to presubmit.yml (bazel-contrib#3389)

Fix bcr presubmit build on windows

Author: meteorcloudy

.bcr/gazelle/presubmit.yml

@@ -25,6 +25,8 @@ bcr_test_module:
       bazel: ${{ bazel }}
       shell_commands:
         - "echo 'common --override_module=rules_python=' >> .bazelrc"
+      batch_commands:
+        - "echo common --override_module=rules_python= >> .bazelrc"
       build_targets:
         - "//..."
         - ":modules_map"