### 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)

"""When given both global and triggerer affinity etc, triggerer affinity etc is used."""
        expected_affinity = {
            "nodeAffinity": {
                "requiredDuringSchedulingIgnoredDuringExecution": {
                    "nodeSelectorTerms": [
                        {
                            "matchExpressions": [
                                {"key": "foo", "operator": "In", "values": ["true"]},
                            ]
                        }
                    ]
                }
            }
        }
        expected_topology_spread_constraints = {
            "maxSkew": 1,
            "topologyKey": "foo",
            "whenUnsatisfiable": "ScheduleAnyway",
            "labelSelector": {"matchLabels": {"tier": "airflow"}},
        }
        docs = render_chart(
            values={
                "dagProcessor": {
                    "enabled": True,
                    "affinity": expected_affinity,
                    "tolerations": [
                        {"key": "dynamic-pods", "operator": "Equal", "value": "true", "effect": "NoSchedule"}