docs: cgroup-v1: move hierarchy of accounting caption

The caption for hierarchy of accounting figure is in the code block,
which is quite odd. Move the caption into :caption: option of
code-block:: directive instead.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Bagas Sanjaya 2023-01-05 20:16:30 +07:00 • committed by Tejun Heo
commit f7423bb771