Update running-logstash-command-line.asciidoc

[zhangzheng1212]

to enable api with use "--api.enable" not "--api-enable"

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• [ ] My code follows the style guidelines of this project
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [ ] I have made corresponding change to the default configuration files (and/or docker env variables)
• [ ] I have added tests that prove my fix is effective or that my feature works

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[logstashmachine]

Since this is a community submitted pull request, a Jenkins build has not been kicked off automatically. Can an Elastic organization member please verify the contents of this patch and then kick off a build manually?

[cla-checker-service[bot]]

❌ Author of the following commits did not sign a Contributor Agreement: de9134141848086c3aa973c3b7f16c9007032934

Please, read and sign the above mentioned agreement if you want to contribute to this project

[andsel]

Thanks @zhangzheng1212 for you contribution, in order to be merged you have to sign the CLA please.

[andsel]

Superseded by #14428