### Official Helm Chart version

1.11.0 (latest released)

### Apache Airflow version

2.x

### Kubernetes Version

1.25+

### What happened

There is no way to configure via parent values the priorityClassName for Redis, which is a workload with PV constraints that usually needs increased priority to be scheduled wherever its PV lives.

### What you think should happen instead

Able to include priorityClassName

### How to reproduce

Install via Helm Chart

### Anything else

_No response_

### Are you willing to submit PR?

- [X] 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={"redis": redis_values},
            show_only=["templates/redis/redis-statefulset.yaml"],
        )
        assert {"name": "redis-db", **expected} in jmespath.search("spec.template.spec.volumes", docs[0])
class TestRedisServiceAccount:
    """Tests redis service account."""
    def test_default_automount_service_account_token(self):
        docs = render_chart(
            values={
                "redis": {
                    "serviceAccount": {"create": True},
                },
            },
            show_only=["templates/redis/redis-serviceaccount.yaml"],
        )
        assert jmespath.search("automountServiceAccountToken", docs[0]) is True
    def test_overridden_automount_service_account_token(self):
        docs = render_chart(
            values={
                "redis": {
                    "serviceAccount": {"create": True, "automountServiceAccountToken": False},
                },
            },
            show_only=["templates/redis/redis-serviceaccount.yaml"],
        )
        assert jmespath.search("automountServiceAccountToken", docs[0]) is False