Documentation: Update example output of show-caches SSH command

The shown example was pretty outdated.

Change-Id: Iaa02c81dea8a6d27c34c3ed13fc9f0d6c69080f6
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
Merge branch 'stable-2.9'

* stable-2.9:
  Documentation: Update example output of show-caches SSH command

Change-Id: I05c82c2199941f2a210cabb3afffdad8aed04c6f