[Metax][CI] Update Jenkins GitHub Action to version 1.2

[plusNew001]

Motivation

💡 If this PR is a Cherry Pick, the PR title needs to follow the format by adding the [Cherry-Pick] label at the very beginning and appending the original PR ID at the end. For example, [Cherry-Pick][CI] Add check trigger and logic(#5191)

💡 如若此PR是Cherry Pick，PR标题需遵循格式，在最开始加上[Cherry-Pick]标签，以及最后面加上原PR ID，例如[Cherry-Pick][CI] Add check trigger and logic(#5191)

Modifications

Usage or Command

Accuracy Tests

Checklist

• Add at least a tag in the PR title.
  • Tag list: [[FDConfig],[APIServer],[Engine], [Scheduler], [PD Disaggregation], [Executor], [Graph Optimization], [Speculative Decoding], [RL], [Models], [Quantization], [Loader], [OP], [KVCache], [DataProcessor], [BugFix], [Docs], [CI], [Optimization], [Feature], [Benchmark], [Others], [XPU], [HPU], [GCU], [DCU], [Iluvatar], [Metax]]
  • You can add new tags based on the PR content, but the semantics must be clear.
• Format your code, run pre-commit before commit.
• Add unit tests. Please write the reason in this PR if no unit tests.
• Provide accuracy results.
• If the current PR is submitting to the release branch, make sure the PR has been submitted to the develop branch, then cherry-pick it to the release branch with the [Cherry-Pick] PR tag.

[paddle-bot]

Thanks for your contribution!

[plusNew001]

/skip-ci all

[Copilot]

Pull request overview

该 PR 更新 Metax 相关 CI 工作流中用于触发 Jenkins 的 GitHub Action 版本，以保持 CI 依赖更新并适配最新的 Jenkins 触发逻辑。

Changes:

• 将 .github/workflows/ci_metax.yml 中的 MetaX-MACA/simple-jenkins-githubaction 从 v1.1 升级到 v1.2。

PR 信息检查（需补充）:

• 当前 PR 描述中的 Motivation / Modifications 等小节为空，建议补充本次升级的原因与预期收益（例如安全修复/兼容性/功能变更点）。

Comments suppressed due to low confidence (1)

.github/workflows/ci_metax.yml:34

• 该 workflow 使用 pull_request_target 且向第三方 Action 传入 secrets.METAX_JENKINS_API_TOKEN。为降低供应链风险，建议将 MetaX-MACA/simple-jenkins-githubaction 从可变 tag（v1.2）改为固定的 commit SHA（并通过 Dependabot/手动流程更新）。

      - name: Trigger Jenkins job
        timeout-minutes: 60
        uses: MetaX-MACA/simple-jenkins-githubaction@v1.2
        with:
          job_name: paddle_fastdeploy_metax_smoketest
          username: fastdeploy_builder
          api_token: ${{ secrets.METAX_JENKINS_API_TOKEN }}