update runbook with correct paths

This MR simply updates the cache disk space runbook with the correct paths.

added 1 commit

• d172b67c - update runbook with correct paths

Compare with previous version

mentioned in issue infrastructure#1608

added 10 commits

• d172b67c...6ecebe70 - 9 commits from branch master
• 37b2959e - update runbook with correct paths

Compare with previous version

merged