Merge pull request #43889 from lyzlisa/ru-footer

[ru] Change footer l10n from Home to Documentation

Author: k8s-ci-robot

content/ru/docs/home/_index.md

@@ -6,7 +6,7 @@ noedit: true
 cid: docsHome
 layout: docsportal_home
 class: gridPage gridPageHome
-linkTitle: "Главная"
+linkTitle: "Документация"
 main_menu: true
 weight: 10
 hide_feedback: true