Ability to give port number to EnableKubernetesMockClient

[KaanSimsek]

Is your task related to a problem? Please describe

In my project, I need to specify the port number on which the mock server will run. When I checked the source code, I noticed there is no option for this, and the port number is randomly changing. I am planning to open a PR for this.

Describe the solution you'd like

For a solution, we can add an extra integer field to EnableKubernetesMockClient with a default value of 0. Then, inside KubernetesMockServerExtension, instead of calling mock.init(), we can call mock.init(InetAddress.getLocalHost(), a.port()).

Describe alternatives you've considered

No response

Additional context

No response