[ja] Localization inconsistencies of contents of "Running in multiple zones" (#46240)

* Update content/ja/docs/setup/best-practices/multiple-zones.md * Update content/ja/docs/setup/best-practices/multiple-zones.md Co-authored-by: Kohei Ota (inductor) <kela@inductor.me> * Reflects the review * Update multiple-zones.md * Update multiple-zones.md * Update multiple-zones.md * Update multiple-zones.md * Reflects reviewer comments * Reflects reviewer comments * Fix overview --------- Co-authored-by: Kohei Ota (inductor) <kela@inductor.me>

Author: EigoOda