[DOCS] Helm Chart : Differents Volumes/VolumeMount for each Celery Workers Sets

### Description Issue Description: Airflow Helm Chart - Different Volumes/VolumeMounts for Each Celery Worker Sets The Apache Airflow Helm chart currently lacks native support for configuring distinct Volumes and VolumeMounts for multiple Celery worker sets (It can separate queues like high-priority or GPU workers but not assign different volumes to different workers). While workers.extraVolumes and workers.extraVolumeMounts enable uniform mounts across all workers, specialized workloads require per-worker-set customization for different storage needs, such as data volumes. ### Use case/motivation _No response_ ### 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)