Update Description of Evictions during DiskPressure scenarios

[attaluris]

This is a Bug Report

Problem: I believe the docs are outdated in how they describe how pods get selected for eviction during DiskPressure scenarios

it says

QoS classification does not apply to EphemeralStorage requests, so the above scenario will not apply if the node is, for example, under DiskPressure.

but with kubernetes/kubernetes#54316 and https://kubernetes.io/blog/2022/09/19/local-storage-capacity-isolation-ga/ I believe this is no longer accurate

Proposed Solution: Update docs to describe how DiskPressure now also takes into account requests during eviction

Page to Update:
https://kubernetes.io/docs/concepts/scheduling-eviction/node-pressure-eviction/#pod-selection-for-kubelet-eviction

[k8s-ci-robot]

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