Feature request: Ability to set priorityClassName

[M-Gregoire]

Hello,

As far as I know, this Helm Chart doesn't offer this ability to set the priorityClassName to Frigate pods.

This might be useful as some pods in the cluster might need to have lower/higher priorities than Frigate.

If you are willing to implement this, I can make the PR.

[SlothCroissant]

I'd love this feature.

Use case:

• Frigate pod deployed to Node A, with GPU and Coral applied as nodeselectors / resource limits.
• Plex pod is deployed as well, I want to make sure frigate is never preempted by the Plex pod (as it also looks for GPU for hardware transcoding).

Since Frigate is "stuck" on a node due to hardware requirements from the Coral USB TPU, it doesn't have the luxury of just moving to another node. priorityClassName would mean that it doesn't have to, and it can actually boot other pods out as needed.