Fix auto-test workflow: enforce --max-configs limit, don't skip result steps on timeout

[Copilot]

The "Auto Test & Update Subscriptions" workflow fails on every run. --max-configs 500 is parsed but never enforced, so all ~10k configs are queued and the 25-minute timeout always fires. When it does, Generate Statistics / Update badge / Commit steps are skipped, discarding all results found during the run.

Changes

• core/cli_runner.py — Check app_state.max_configs in _process_source() before queuing each config:

  max_configs = self.app_state.max_configs
  for uri in configs:
      if max_configs > 0 and self.config_queue.qsize() >= max_configs:
          break

• .github/workflows/auto-test.yml — Add continue-on-error: true on the test step; add if: always() on Generate Statistics, Update badge data, and Commit steps so results are saved regardless of timeout
• Both workflow files — Update actions/checkout v3→v4, actions/setup-python v4→v5

Original prompt

fix workflow, git action errors.

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