Trigger a recommendationRule to run now

[qmhu]

Describe the feature

Currently a recommendationRule supports run in a certain peroid like : 5m, 1h, 1d, I would be better to have a way to trigger a recommendationRule to run just now.

[github-actions]

Hello @qmhu.
We totally like your proposal/feedback, welcome to send us a Pull Request for it.
Please send your Pull Request to main branch, fill the Pull Request Template here, provide changelog/documentation/test cases if needed and make sure CI passed, we will review it soon.
We appreciate your effort in advance and looking forward to your contribution!

你好 @qmhu，我们完全同意你的提议/反馈。
欢迎直接在此仓库 创建一个 Pull Request 来解决这个问题。
请将 Pull Request 发到 main 分支，务必填写 Pull Request 内的预设模板，提供改动所需相应的 changelog、测试用例、文档等，并确保 CI 通过。
我们会尽快进行 Review，提前感谢和期待您的贡献。