[ko] Update outdated content in /concepts/scheduling-eviction/assign-pod-node

[thdxg]

Added up-to-date translation for operators, scheduling behavior, inter-pod affinity, matchLabelKeys, mismatchLabelKeys, nominatedNodeName, pod topology labels and warning for nodeName.

Description

This PR updates the following sections of the Korean documentation to match the latest English documentation.

Inter-pod affinity and anti-affinity Namespace Selector / matchLabelKeys Namespace Selector / mismatchLabelKeys Namespace Selector / nodeName Namespace Selector / nominatedNodeName Pod topology labels Operators

Issue

Closes: #53874