### Official Helm Chart version

1.10.0 (latest released)

### Apache Airflow version

2.6.3

### Kubernetes Version

1.27

### Helm Chart configuration

helm chart doesn't support securityContext for airflow-run-airflow-migration and dag-processor init container

### Docker Image customizations

_No response_

### What happened

_No response_

### What you think should happen instead

_No response_

### How to reproduce

helm chart doesn't support securityContext  for airflow-run-airflow-migration and dag-processor init container. 

### Anything else

_No response_

### Are you willing to submit 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={
                "dagProcessor": {
                    "enabled": True,
                    "annotations": {"test_annotation": "test_annotation_value"},
                },
            },
            show_only=["templates/dag-processor/dag-processor-deployment.yaml"],
        )
        assert "annotations" in jmespath.search("metadata", docs[0])
        assert jmespath.search("metadata.annotations", docs[0])["test_annotation"] == "test_annotation_value"
    @pytest.mark.parametrize(
        "webserver_config, should_add_volume",
        [
            ("CSRF_ENABLED = True", True),
            (None, False),
        ],
    )
    def test_should_add_webserver_config_volume_and_volume_mount_when_exists(