[ja] Description of kube-proxy version skew policy is partially incorrect

[ishii1648]

This is a Bug Report

Problem: The description of the kube-proxy version skew policy is inconsistent with the English version.

Proposed Solution: It's preferable to revise the documentation to align with the English version.

Page to Update:
https://kubernetes.io/ja/releases/version-skew-policy/

[lmktfy]

/language ja

[lmktfy]

/retitle [ja] Description of kube-proxy version skew policy is partially incorrect

[Okabe-Junya]

/area localization
/tirage accepted

[Okabe-Junya]

/triage accepted