### 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)

k8s_objects = render_chart(
            RELEASE_NAME_REDIS,
            {
                "executor": executor,
                "networkPolicies": {"enabled": True},
                "redis": {"enabled": True, "password": "test-redis-password!@#$%^&*()_+"},
            },
        )
        k8s_obj_by_key = prepare_k8s_lookup_dict(k8s_objects)
        created_redis_objects = SET_POSSIBLE_REDIS_OBJECT_KEYS & set(k8s_obj_by_key.keys())
        assert created_redis_objects == SET_POSSIBLE_REDIS_OBJECT_KEYS
        self.assert_password_and_broker_url_secrets(
            k8s_obj_by_key,
            expected_password_match="test-redis-password",
            expected_broker_url_match=re.escape(
                "redis://:test-redis-password%21%40%23$%25%5E&%2A%28%29_+@test-redis-redis:6379/0"
            ),
        )
        self.assert_broker_url_env(k8s_obj_by_key)
    @pytest.mark.parametrize("executor", CELERY_EXECUTORS_PARAMS)
    def test_redis_by_chart_password_secret_name_missing_broker_url_secret_name(self, executor):