Doc: update failure_retry_interval usage.

Signed-off-by: Larry Shen <larry.shen@nxp.com>
16 jobs for retry_interval in 16 minutes and 10 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #123346
amd64
dispatcher-debian-10

00:02:45

passed #123348
amd64
dispatcher-debian-11

00:03:02

passed #123347
amd64
server-debian-10

00:03:04

passed #123349
amd64
server-debian-11

00:05:31

 
  Analyze
passed #123350
amd64-dind
bandit-sast

00:00:54

passed #123351
amd64
black

00:00:35

passed #123352
amd64
code_quality

00:00:21

passed #123357
amd64
codespell

00:00:18

passed #123353
amd64
coverage

00:06:32

60.91%
passed #123354
amd64
dockerfiles

00:00:17

passed #123356
amd64
pylint

00:03:04

passed #123355
amd64
schemas

00:00:30

 
  Build
passed #123359
amd64
debian/10

00:01:20

passed #123358
amd64
doc

00:00:36

passed #123360
amd64-dind
docker-amd64-dispatcher

00:03:37

passed #123361
amd64-dind
docker-amd64-server

00:04:02