build: fix generation of help

4 jobs for meson in 21 minutes and 18 seconds (queued for 5 seconds)
latest
Status Job ID Name Coverage
  Build
passed #82986
centos_build

00:03:03

passed #82987
ubuntu_build

00:02:38

 
  Test
passed #82988
centos_test

00:07:24

passed #82990
ubuntu_test

00:08:12