doc: ci-fairy: fix build doc complain

doc/ci-fairy.rst:387: WARNING: Error in "code-block" directive:
maximum 1 argument(s) allowed, 36 supplied.

This resulted in the following block code to not be shown in the
generated output file.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
10 jobs for master in 3 minutes and 10 seconds (queued for 8 seconds)
Child pipeline (parent) latest
Status Job ID Name Coverage
  Centos Container Build
passed #8143831
centos:7@container-build@x86_64

00:01:58

passed #8143836
centos:8@container-build@x86_64

00:01:29

passed #8143835
centos@cache-container-build@x86_64

00:02:08

 
  Centos Check
passed #8143853
centos:7@base-image@x86_64

00:01:10

passed #8143846
centos:7@check@x86_64

00:00:21

passed #8143879
centos:8@check@x86_64

00:00:16

passed #8143857
centos@cache-check@x86_64

00:00:09

passed #8143868
check labels centos@x86_64:7

00:00:14

passed #8143862
do not rebuild centos:7@container-build@x86_64

00:00:18

passed #8143872
pull upstream centos:7@container-build@x86_64

00:00:41