### Description

I am not sure why this PR was not merged (https://github.com/apache/airflow/pull/23558) but I think it would be great to add hostAliases not just to the workers, but the scheduler and webserver too.

### Use case/motivation

Be able to modify /etc/hosts in webserver and scheduler.

### Related issues

_No response_

### Are you willing to submit a PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

docs = render_chart(
            values={
                "airflowVersion": airflow_version,
            },
            show_only=["templates/webserver/webserver-deployment.yaml"],
        )
        
        actual = jmespath.search("spec.template.spec.initContainers[0].args", docs[0])
        assert expected_arg == actual[: len(expected_arg)]
    def test_disable_wait_for_migration(self):