### 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={
                "webserver": {
                    "resources": {
                        "limits": {"cpu": "200m", "memory": "128Mi"},
                        "requests": {"cpu": "300m", "memory": "169Mi"},
                    }
                },
            },
            show_only=["templates/webserver/webserver-deployment.yaml"],
        )
        assert "128Mi" == jmespath.search("spec.template.spec.containers[0].resources.limits.memory", docs[0])
        assert "200m" == jmespath.search("spec.template.spec.containers[0].resources.limits.cpu", docs[0])
        assert "169Mi" == jmespath.search(
            "spec.template.spec.containers[0].resources.requests.memory", docs[0]
        )
        assert "300m" == jmespath.search("spec.template.spec.containers[0].resources.requests.cpu", docs[0])
        
        assert "128Mi" == jmespath.search(
            "spec.template.spec.initContainers[0].resources.limits.memory", docs[0]
        )
        assert "200m" == jmespath.search("spec.template.spec.initContainers[0].resources.limits.cpu", docs[0])
        assert "169Mi" == jmespath.search(
            "spec.template.spec.initContainers[0].resources.requests.memory", docs[0]
        )
        assert "300m" == jmespath.search(
            "spec.template.spec.initContainers[0].resources.requests.cpu", docs[0]
        )
    def test_webserver_resources_are_not_added_by_default(self):