docs: clarify cleanup command only targets -odd/-even managed indices#443

kingjia90 with Copilot wants to merge 3 commits into

2026.xpimcore/generic-data-index-bundle:2026.xfrom

copilot/fix-code-review-suggestionpimcore/generic-data-index-bundle:copilot/fix-code-review-suggestionCopy head branch name to clipboard